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Finding the Third Proportional to 713.75 and 954.38

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Solution

The third proportional to 713.75 and 954.38 is: 1,276.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    713.75 : 954.38 = 954.38 : x
  2. Step 2: Convert to fraction form
    713.75/954.38 = 954.38/x
  3. Step 3: Cross multiply
    713.75x = 954.38 × 954.38
  4. Step 4: Simplify right side
    713.75x = 910,831.64
  5. Step 5: Solve for x
    x = 910,831.64/713.75
  6. Step 6: Final answer
    x = 1,276.12

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.