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Finding the Third Proportional to 20,289,376 and 41,287,326

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Solution

The third proportional to 20,289,376 and 41,287,326 is: 84,016,545.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,289,376 : 41,287,326 = 41,287,326 : x
  2. Step 2: Convert to fraction form
    20,289,376/41,287,326 = 41,287,326/x
  3. Step 3: Cross multiply
    20,289,376x = 41,287,326 × 41,287,326
  4. Step 4: Simplify right side
    20,289,376x = 1,704,643,288,230,276
  5. Step 5: Solve for x
    x = 1,704,643,288,230,276/20,289,376
  6. Step 6: Final answer
    x = 84,016,545.81

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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.