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Finding the Third Proportional to 709.13 and 1,714.31

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Solution

The third proportional to 709.13 and 1,714.31 is: 4,144.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    709.13 : 1,714.31 = 1,714.31 : x
  2. Step 2: Convert to fraction form
    709.13/1,714.31 = 1,714.31/x
  3. Step 3: Cross multiply
    709.13x = 1,714.31 × 1,714.31
  4. Step 4: Simplify right side
    709.13x = 2,938,867.35
  5. Step 5: Solve for x
    x = 2,938,867.35/709.13
  6. Step 6: Final answer
    x = 4,144.36

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.