Home / 132,780-203,040.75

Finding the Third Proportional to 132,780 and 203,040.75

Calculator

Solution

The third proportional to 132,780 and 203,040.75 is: 310,480.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,780 : 203,040.75 = 203,040.75 : x
  2. Step 2: Convert to fraction form
    132,780/203,040.75 = 203,040.75/x
  3. Step 3: Cross multiply
    132,780x = 203,040.75 × 203,040.75
  4. Step 4: Simplify right side
    132,780x = 41,225,546,160.56
  5. Step 5: Solve for x
    x = 41,225,546,160.56/132,780
  6. Step 6: Final answer
    x = 310,480.09

Related Problems

Find third proportional to 66,390 and 101,520.38
Half scale
Find third proportional to 265,560 and 406,081.50
Double scale
Find third proportional to 132,782 and 203,044
Similar ratio
Find third proportional to 199,170 and 304,561.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.