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Finding the Third Proportional to 4,217,636,856 and 9,070,013,556

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Solution

The third proportional to 4,217,636,856 and 9,070,013,556 is: 19,505,032,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217,636,856 : 9,070,013,556 = 9,070,013,556 : x
  2. Step 2: Convert to fraction form
    4,217,636,856/9,070,013,556 = 9,070,013,556/x
  3. Step 3: Cross multiply
    4,217,636,856x = 9,070,013,556 × 9,070,013,556
  4. Step 4: Simplify right side
    4,217,636,856x = 82,265,145,906,023,759,872
  5. Step 5: Solve for x
    x = 82,265,145,906,023,759,872/4,217,636,856
  6. Step 6: Final answer
    x = 19,505,032,963.90

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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.