Home / 68,261-141,972

Finding the Third Proportional to 68,261 and 141,972

Calculator

Solution

The third proportional to 68,261 and 141,972 is: 295,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,261 : 141,972 = 141,972 : x
  2. Step 2: Convert to fraction form
    68,261/141,972 = 141,972/x
  3. Step 3: Cross multiply
    68,261x = 141,972 × 141,972
  4. Step 4: Simplify right side
    68,261x = 20,156,048,784
  5. Step 5: Solve for x
    x = 20,156,048,784/68,261
  6. Step 6: Final answer
    x = 295,279.13

Related Problems

Find third proportional to 34,130.50 and 70,986
Half scale
Find third proportional to 136,522 and 283,944
Double scale
Find third proportional to 68,263 and 141,976
Similar ratio
Find third proportional to 102,391.50 and 212,958
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.