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Finding the Third Proportional to 20,527,834 and 28,699,121

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Solution

The third proportional to 20,527,834 and 28,699,121 is: 40,123,061.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527,834 : 28,699,121 = 28,699,121 : x
  2. Step 2: Convert to fraction form
    20,527,834/28,699,121 = 28,699,121/x
  3. Step 3: Cross multiply
    20,527,834x = 28,699,121 × 28,699,121
  4. Step 4: Simplify right side
    20,527,834x = 823,639,546,172,641
  5. Step 5: Solve for x
    x = 823,639,546,172,641/20,527,834
  6. Step 6: Final answer
    x = 40,123,061.51

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.