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Finding the Third Proportional to 716.34 and 1,553.06

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Solution

The third proportional to 716.34 and 1,553.06 is: 3,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    716.34 : 1,553.06 = 1,553.06 : x
  2. Step 2: Convert to fraction form
    716.34/1,553.06 = 1,553.06/x
  3. Step 3: Cross multiply
    716.34x = 1,553.06 × 1,553.06
  4. Step 4: Simplify right side
    716.34x = 2,412,003.13
  5. Step 5: Solve for x
    x = 2,412,003.13/716.34
  6. Step 6: Final answer
    x = 3,367.10

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.