Home / 137,742-296,490

Finding the Third Proportional to 137,742 and 296,490

Calculator

Solution

The third proportional to 137,742 and 296,490 is: 638,195.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,742 : 296,490 = 296,490 : x
  2. Step 2: Convert to fraction form
    137,742/296,490 = 296,490/x
  3. Step 3: Cross multiply
    137,742x = 296,490 × 296,490
  4. Step 4: Simplify right side
    137,742x = 87,906,320,100
  5. Step 5: Solve for x
    x = 87,906,320,100/137,742
  6. Step 6: Final answer
    x = 638,195.47

Related Problems

Find third proportional to 68,871 and 148,245
Half scale
Find third proportional to 275,484 and 592,980
Double scale
Find third proportional to 137,744 and 296,494
Similar ratio
Find third proportional to 206,613 and 444,735
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.