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Finding the Third Proportional to 20,216,846 and 28,910,325

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Solution

The third proportional to 20,216,846 and 28,910,325 is: 41,342,101.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,216,846 : 28,910,325 = 28,910,325 : x
  2. Step 2: Convert to fraction form
    20,216,846/28,910,325 = 28,910,325/x
  3. Step 3: Cross multiply
    20,216,846x = 28,910,325 × 28,910,325
  4. Step 4: Simplify right side
    20,216,846x = 835,806,891,605,625
  5. Step 5: Solve for x
    x = 835,806,891,605,625/20,216,846
  6. Step 6: Final answer
    x = 41,342,101.12

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.