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Finding the Third Proportional to 951.47 and 1,439.49

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Solution

The third proportional to 951.47 and 1,439.49 is: 2,177.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.47 : 1,439.49 = 1,439.49 : x
  2. Step 2: Convert to fraction form
    951.47/1,439.49 = 1,439.49/x
  3. Step 3: Cross multiply
    951.47x = 1,439.49 × 1,439.49
  4. Step 4: Simplify right side
    951.47x = 2,072,132.13
  5. Step 5: Solve for x
    x = 2,072,132.13/951.47
  6. Step 6: Final answer
    x = 2,177.81

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.