Home / 275,488-425,384

Finding the Third Proportional to 275,488 and 425,384

Calculator

Solution

The third proportional to 275,488 and 425,384 is: 656,840.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,488 : 425,384 = 425,384 : x
  2. Step 2: Convert to fraction form
    275,488/425,384 = 425,384/x
  3. Step 3: Cross multiply
    275,488x = 425,384 × 425,384
  4. Step 4: Simplify right side
    275,488x = 180,951,547,456
  5. Step 5: Solve for x
    x = 180,951,547,456/275,488
  6. Step 6: Final answer
    x = 656,840.03

Related Problems

Find third proportional to 137,744 and 212,692
Half scale
Find third proportional to 550,976 and 850,768
Double scale
Find third proportional to 275,490 and 425,387
Similar ratio
Find third proportional to 413,232 and 638,076
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.