Home / 387,746-558,472

Finding the Third Proportional to 387,746 and 558,472

Calculator

Solution

The third proportional to 387,746 and 558,472 is: 804,369.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,746 : 558,472 = 558,472 : x
  2. Step 2: Convert to fraction form
    387,746/558,472 = 558,472/x
  3. Step 3: Cross multiply
    387,746x = 558,472 × 558,472
  4. Step 4: Simplify right side
    387,746x = 311,890,974,784
  5. Step 5: Solve for x
    x = 311,890,974,784/387,746
  6. Step 6: Final answer
    x = 804,369.29

Related Problems

Find third proportional to 193,873 and 279,236
Half scale
Find third proportional to 775,492 and 1,116,944
Double scale
Find third proportional to 387,748 and 558,475
Similar ratio
Find third proportional to 581,619 and 837,708
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.