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Finding the Third Proportional to 86,068,030 and 129,354,291

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Solution

The third proportional to 86,068,030 and 129,354,291 is: 194,410,544.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,068,030 : 129,354,291 = 129,354,291 : x
  2. Step 2: Convert to fraction form
    86,068,030/129,354,291 = 129,354,291/x
  3. Step 3: Cross multiply
    86,068,030x = 129,354,291 × 129,354,291
  4. Step 4: Simplify right side
    86,068,030x = 16,732,532,600,112,680
  5. Step 5: Solve for x
    x = 16,732,532,600,112,680/86,068,030
  6. Step 6: Final answer
    x = 194,410,544.78

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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.