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Finding the Third Proportional to 8,006,920,000 and 17,218,853,919

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Solution

The third proportional to 8,006,920,000 and 17,218,853,919 is: 37,029,086,125.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,006,920,000 : 17,218,853,919 = 17,218,853,919 : x
  2. Step 2: Convert to fraction form
    8,006,920,000/17,218,853,919 = 17,218,853,919/x
  3. Step 3: Cross multiply
    8,006,920,000x = 17,218,853,919 × 17,218,853,919
  4. Step 4: Simplify right side
    8,006,920,000x = 296,488,930,283,861,639,168
  5. Step 5: Solve for x
    x = 296,488,930,283,861,639,168/8,006,920,000
  6. Step 6: Final answer
    x = 37,029,086,125.98

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.