Home / 68,998-149,070

Finding the Third Proportional to 68,998 and 149,070

Calculator

Solution

The third proportional to 68,998 and 149,070 is: 322,065.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,998 : 149,070 = 149,070 : x
  2. Step 2: Convert to fraction form
    68,998/149,070 = 149,070/x
  3. Step 3: Cross multiply
    68,998x = 149,070 × 149,070
  4. Step 4: Simplify right side
    68,998x = 22,221,864,900
  5. Step 5: Solve for x
    x = 22,221,864,900/68,998
  6. Step 6: Final answer
    x = 322,065.35

Related Problems

Find third proportional to 34,499 and 74,535
Half scale
Find third proportional to 137,996 and 298,140
Double scale
Find third proportional to 69,000 and 149,074
Similar ratio
Find third proportional to 103,497 and 223,605
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.