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Finding the Third Proportional to 9,436,717.50 and 20,639,697

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Solution

The third proportional to 9,436,717.50 and 20,639,697 is: 45,142,507.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,436,717.50 : 20,639,697 = 20,639,697 : x
  2. Step 2: Convert to fraction form
    9,436,717.50/20,639,697 = 20,639,697/x
  3. Step 3: Cross multiply
    9,436,717.50x = 20,639,697 × 20,639,697
  4. Step 4: Simplify right side
    9,436,717.50x = 425,997,092,251,809
  5. Step 5: Solve for x
    x = 425,997,092,251,809/9,436,717.50
  6. Step 6: Final answer
    x = 45,142,507.68

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.