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Finding the Third Proportional to 86,244,068 and 129,233,260

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Solution

The third proportional to 86,244,068 and 129,233,260 is: 193,650,831.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,244,068 : 129,233,260 = 129,233,260 : x
  2. Step 2: Convert to fraction form
    86,244,068/129,233,260 = 129,233,260/x
  3. Step 3: Cross multiply
    86,244,068x = 129,233,260 × 129,233,260
  4. Step 4: Simplify right side
    86,244,068x = 16,701,235,490,227,600
  5. Step 5: Solve for x
    x = 16,701,235,490,227,600/86,244,068
  6. Step 6: Final answer
    x = 193,650,831.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.