Home / 555,774-861,120

Finding the Third Proportional to 555,774 and 861,120

Calculator

Solution

The third proportional to 555,774 and 861,120 is: 1,334,225.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,774 : 861,120 = 861,120 : x
  2. Step 2: Convert to fraction form
    555,774/861,120 = 861,120/x
  3. Step 3: Cross multiply
    555,774x = 861,120 × 861,120
  4. Step 4: Simplify right side
    555,774x = 741,527,654,400
  5. Step 5: Solve for x
    x = 741,527,654,400/555,774
  6. Step 6: Final answer
    x = 1,334,225.16

Related Problems

Find third proportional to 277,887 and 430,560
Half scale
Find third proportional to 1,111,548 and 1,722,240
Double scale
Find third proportional to 555,776 and 861,123
Similar ratio
Find third proportional to 833,661 and 1,291,680
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.