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Finding the Third Proportional to 9,434,691 and 20,635,911

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Solution

The third proportional to 9,434,691 and 20,635,911 is: 45,135,640.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,434,691 : 20,635,911 = 20,635,911 : x
  2. Step 2: Convert to fraction form
    9,434,691/20,635,911 = 20,635,911/x
  3. Step 3: Cross multiply
    9,434,691x = 20,635,911 × 20,635,911
  4. Step 4: Simplify right side
    9,434,691x = 425,840,822,799,921
  5. Step 5: Solve for x
    x = 425,840,822,799,921/9,434,691
  6. Step 6: Final answer
    x = 45,135,640.67

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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.