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Finding the Third Proportional to 7,490 and 9,551

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Solution

The third proportional to 7,490 and 9,551 is: 12,179.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490 : 9,551 = 9,551 : x
  2. Step 2: Convert to fraction form
    7,490/9,551 = 9,551/x
  3. Step 3: Cross multiply
    7,490x = 9,551 × 9,551
  4. Step 4: Simplify right side
    7,490x = 91,221,601
  5. Step 5: Solve for x
    x = 91,221,601/7,490
  6. Step 6: Final answer
    x = 12,179.12

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.