Home / 272,112-408,448

Finding the Third Proportional to 272,112 and 408,448

Calculator

Solution

The third proportional to 272,112 and 408,448 is: 613,092.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,112 : 408,448 = 408,448 : x
  2. Step 2: Convert to fraction form
    272,112/408,448 = 408,448/x
  3. Step 3: Cross multiply
    272,112x = 408,448 × 408,448
  4. Step 4: Simplify right side
    272,112x = 166,829,768,704
  5. Step 5: Solve for x
    x = 166,829,768,704/272,112
  6. Step 6: Final answer
    x = 613,092.29

Related Problems

Find third proportional to 136,056 and 204,224
Half scale
Find third proportional to 544,224 and 816,896
Double scale
Find third proportional to 272,114 and 408,451
Similar ratio
Find third proportional to 408,168 and 612,672
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.