Home / 35,820-77,784

Finding the Third Proportional to 35,820 and 77,784

Calculator

Solution

The third proportional to 35,820 and 77,784 is: 168,909.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,820 : 77,784 = 77,784 : x
  2. Step 2: Convert to fraction form
    35,820/77,784 = 77,784/x
  3. Step 3: Cross multiply
    35,820x = 77,784 × 77,784
  4. Step 4: Simplify right side
    35,820x = 6,050,350,656
  5. Step 5: Solve for x
    x = 6,050,350,656/35,820
  6. Step 6: Final answer
    x = 168,909.85

Related Problems

Find third proportional to 17,910 and 38,892
Half scale
Find third proportional to 71,640 and 155,568
Double scale
Find third proportional to 35,822 and 77,788
Similar ratio
Find third proportional to 53,730 and 116,676
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.