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Finding the Third Proportional to 3,490 and 4,551

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Solution

The third proportional to 3,490 and 4,551 is: 5,934.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490 : 4,551 = 4,551 : x
  2. Step 2: Convert to fraction form
    3,490/4,551 = 4,551/x
  3. Step 3: Cross multiply
    3,490x = 4,551 × 4,551
  4. Step 4: Simplify right side
    3,490x = 20,711,601
  5. Step 5: Solve for x
    x = 20,711,601/3,490
  6. Step 6: Final answer
    x = 5,934.56

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.