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Finding the Third Proportional to 3,900,908.25 and 5,176,089

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Solution

The third proportional to 3,900,908.25 and 5,176,089 is: 6,868,117.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900,908.25 : 5,176,089 = 5,176,089 : x
  2. Step 2: Convert to fraction form
    3,900,908.25/5,176,089 = 5,176,089/x
  3. Step 3: Cross multiply
    3,900,908.25x = 5,176,089 × 5,176,089
  4. Step 4: Simplify right side
    3,900,908.25x = 26,791,897,335,921
  5. Step 5: Solve for x
    x = 26,791,897,335,921/3,900,908.25
  6. Step 6: Final answer
    x = 6,868,117.79

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.