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Finding the Third Proportional to 713.63 and 1,708.13

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Solution

The third proportional to 713.63 and 1,708.13 is: 4,088.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    713.63 : 1,708.13 = 1,708.13 : x
  2. Step 2: Convert to fraction form
    713.63/1,708.13 = 1,708.13/x
  3. Step 3: Cross multiply
    713.63x = 1,708.13 × 1,708.13
  4. Step 4: Simplify right side
    713.63x = 2,917,691.02
  5. Step 5: Solve for x
    x = 2,917,691.02/713.63
  6. Step 6: Final answer
    x = 4,088.55

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Why These Related Problems?

These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.