Home / 456,632-729,228

Finding the Third Proportional to 456,632 and 729,228

Calculator

Solution

The third proportional to 456,632 and 729,228 is: 1,164,555.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,632 : 729,228 = 729,228 : x
  2. Step 2: Convert to fraction form
    456,632/729,228 = 729,228/x
  3. Step 3: Cross multiply
    456,632x = 729,228 × 729,228
  4. Step 4: Simplify right side
    456,632x = 531,773,475,984
  5. Step 5: Solve for x
    x = 531,773,475,984/456,632
  6. Step 6: Final answer
    x = 1,164,555.87

Related Problems

Find third proportional to 228,316 and 364,614
Half scale
Find third proportional to 913,264 and 1,458,456
Double scale
Find third proportional to 456,634 and 729,231
Similar ratio
Find third proportional to 684,948 and 1,093,842
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.