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Finding the Third Proportional to 3,491,331 and 5,418,548

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Solution

The third proportional to 3,491,331 and 5,418,548 is: 8,409,590.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491,331 : 5,418,548 = 5,418,548 : x
  2. Step 2: Convert to fraction form
    3,491,331/5,418,548 = 5,418,548/x
  3. Step 3: Cross multiply
    3,491,331x = 5,418,548 × 5,418,548
  4. Step 4: Simplify right side
    3,491,331x = 29,360,662,428,304
  5. Step 5: Solve for x
    x = 29,360,662,428,304/3,491,331
  6. Step 6: Final answer
    x = 8,409,590.05

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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.