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Finding the Third Proportional to 108,209,540 and 220,198,204

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Solution

The third proportional to 108,209,540 and 220,198,204 is: 448,086,638.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,209,540 : 220,198,204 = 220,198,204 : x
  2. Step 2: Convert to fraction form
    108,209,540/220,198,204 = 220,198,204/x
  3. Step 3: Cross multiply
    108,209,540x = 220,198,204 × 220,198,204
  4. Step 4: Simplify right side
    108,209,540x = 48,487,249,044,825,616
  5. Step 5: Solve for x
    x = 48,487,249,044,825,616/108,209,540
  6. Step 6: Final answer
    x = 448,086,638.62

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.