Home / 555,784-861,136

Finding the Third Proportional to 555,784 and 861,136

Calculator

Solution

The third proportional to 555,784 and 861,136 is: 1,334,250.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,784 : 861,136 = 861,136 : x
  2. Step 2: Convert to fraction form
    555,784/861,136 = 861,136/x
  3. Step 3: Cross multiply
    555,784x = 861,136 × 861,136
  4. Step 4: Simplify right side
    555,784x = 741,555,210,496
  5. Step 5: Solve for x
    x = 741,555,210,496/555,784
  6. Step 6: Final answer
    x = 1,334,250.73

Related Problems

Find third proportional to 277,892 and 430,568
Half scale
Find third proportional to 1,111,568 and 1,722,272
Double scale
Find third proportional to 555,786 and 861,139
Similar ratio
Find third proportional to 833,676 and 1,291,704
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.