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Finding the Third Proportional to 713.81 and 945.56

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Solution

The third proportional to 713.81 and 945.56 is: 1,252.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    713.81 : 945.56 = 945.56 : x
  2. Step 2: Convert to fraction form
    713.81/945.56 = 945.56/x
  3. Step 3: Cross multiply
    713.81x = 945.56 × 945.56
  4. Step 4: Simplify right side
    713.81x = 894,088.44
  5. Step 5: Solve for x
    x = 894,088.44/713.81
  6. Step 6: Final answer
    x = 1,252.55

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.