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Finding the Third Proportional to 5,146.50 and 7,605

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Solution

The third proportional to 5,146.50 and 7,605 is: 11,237.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.50 : 7,605 = 7,605 : x
  2. Step 2: Convert to fraction form
    5,146.50/7,605 = 7,605/x
  3. Step 3: Cross multiply
    5,146.50x = 7,605 × 7,605
  4. Step 4: Simplify right side
    5,146.50x = 57,836,025
  5. Step 5: Solve for x
    x = 57,836,025/5,146.50
  6. Step 6: Final answer
    x = 11,237.93

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.