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Finding the Third Proportional to 3,098,839.50 and 4,809,915

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Solution

The third proportional to 3,098,839.50 and 4,809,915 is: 7,465,789.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098,839.50 : 4,809,915 = 4,809,915 : x
  2. Step 2: Convert to fraction form
    3,098,839.50/4,809,915 = 4,809,915/x
  3. Step 3: Cross multiply
    3,098,839.50x = 4,809,915 × 4,809,915
  4. Step 4: Simplify right side
    3,098,839.50x = 23,135,282,307,225
  5. Step 5: Solve for x
    x = 23,135,282,307,225/3,098,839.50
  6. Step 6: Final answer
    x = 7,465,789.15

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.