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Finding the Third Proportional to 14,152,821 and 21,207,006.75

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Solution

The third proportional to 14,152,821 and 21,207,006.75 is: 31,777,207.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152,821 : 21,207,006.75 = 21,207,006.75 : x
  2. Step 2: Convert to fraction form
    14,152,821/21,207,006.75 = 21,207,006.75/x
  3. Step 3: Cross multiply
    14,152,821x = 21,207,006.75 × 21,207,006.75
  4. Step 4: Simplify right side
    14,152,821x = 449,737,135,294,545.56
  5. Step 5: Solve for x
    x = 449,737,135,294,545.56/14,152,821
  6. Step 6: Final answer
    x = 31,777,207.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.