Home / 68,976-155,808

Finding the Third Proportional to 68,976 and 155,808

Calculator

Solution

The third proportional to 68,976 and 155,808 is: 351,950.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,976 : 155,808 = 155,808 : x
  2. Step 2: Convert to fraction form
    68,976/155,808 = 155,808/x
  3. Step 3: Cross multiply
    68,976x = 155,808 × 155,808
  4. Step 4: Simplify right side
    68,976x = 24,276,132,864
  5. Step 5: Solve for x
    x = 24,276,132,864/68,976
  6. Step 6: Final answer
    x = 351,950.43

Related Problems

Find third proportional to 34,488 and 77,904
Half scale
Find third proportional to 137,952 and 311,616
Double scale
Find third proportional to 68,978 and 155,813
Similar ratio
Find third proportional to 103,464 and 233,712
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.