Home / 392,898,780-654,791,836.50

Finding the Third Proportional to 392,898,780 and 654,791,836.50

Calculator

Solution

The third proportional to 392,898,780 and 654,791,836.50 is: 1,091,253,958.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,898,780 : 654,791,836.50 = 654,791,836.50 : x
  2. Step 2: Convert to fraction form
    392,898,780/654,791,836.50 = 654,791,836.50/x
  3. Step 3: Cross multiply
    392,898,780x = 654,791,836.50 × 654,791,836.50
  4. Step 4: Simplify right side
    392,898,780x = 428,752,349,147,042,752
  5. Step 5: Solve for x
    x = 428,752,349,147,042,752/392,898,780
  6. Step 6: Final answer
    x = 1,091,253,958.96

Related Problems

Find third proportional to 196,449,390 and 327,395,918.25
Half scale
Find third proportional to 785,797,560 and 1,309,583,673
Double scale
Find third proportional to 392,898,782 and 654,791,840
Similar ratio
Find third proportional to 589,348,170 and 982,187,754.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.