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Finding the Third Proportional to 1,097.75 and 1,301.75

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Solution

The third proportional to 1,097.75 and 1,301.75 is: 1,543.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097.75 : 1,301.75 = 1,301.75 : x
  2. Step 2: Convert to fraction form
    1,097.75/1,301.75 = 1,301.75/x
  3. Step 3: Cross multiply
    1,097.75x = 1,301.75 × 1,301.75
  4. Step 4: Simplify right side
    1,097.75x = 1,694,553.06
  5. Step 5: Solve for x
    x = 1,694,553.06/1,097.75
  6. Step 6: Final answer
    x = 1,543.66

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Why These Related Problems?

These problems maintain the same ratio (1.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.