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Finding the Third Proportional to 20,915,605.50 and 45,304,449

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Solution

The third proportional to 20,915,605.50 and 45,304,449 is: 98,132,138.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,915,605.50 : 45,304,449 = 45,304,449 : x
  2. Step 2: Convert to fraction form
    20,915,605.50/45,304,449 = 45,304,449/x
  3. Step 3: Cross multiply
    20,915,605.50x = 45,304,449 × 45,304,449
  4. Step 4: Simplify right side
    20,915,605.50x = 2,052,493,099,193,601
  5. Step 5: Solve for x
    x = 2,052,493,099,193,601/20,915,605.50
  6. Step 6: Final answer
    x = 98,132,138.67

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.