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Finding the Third Proportional to 883 and 1,242.25

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Solution

The third proportional to 883 and 1,242.25 is: 1,747.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    883 : 1,242.25 = 1,242.25 : x
  2. Step 2: Convert to fraction form
    883/1,242.25 = 1,242.25/x
  3. Step 3: Cross multiply
    883x = 1,242.25 × 1,242.25
  4. Step 4: Simplify right side
    883x = 1,543,185.06
  5. Step 5: Solve for x
    x = 1,543,185.06/883
  6. Step 6: Final answer
    x = 1,747.66

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.