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Finding the Third Proportional to 7,551 and 8,280

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Solution

The third proportional to 7,551 and 8,280 is: 9,079.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551 : 8,280 = 8,280 : x
  2. Step 2: Convert to fraction form
    7,551/8,280 = 8,280/x
  3. Step 3: Cross multiply
    7,551x = 8,280 × 8,280
  4. Step 4: Simplify right side
    7,551x = 68,558,400
  5. Step 5: Solve for x
    x = 68,558,400/7,551
  6. Step 6: Final answer
    x = 9,079.38

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These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.