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Finding the Third Proportional to 156,753,423 and 219,245,787

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Solution

The third proportional to 156,753,423 and 219,245,787 is: 306,651,773.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,753,423 : 219,245,787 = 219,245,787 : x
  2. Step 2: Convert to fraction form
    156,753,423/219,245,787 = 219,245,787/x
  3. Step 3: Cross multiply
    156,753,423x = 219,245,787 × 219,245,787
  4. Step 4: Simplify right side
    156,753,423x = 48,068,715,117,249,368
  5. Step 5: Solve for x
    x = 48,068,715,117,249,368/156,753,423
  6. Step 6: Final answer
    x = 306,651,773.19

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.