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Finding the Third Proportional to 1,125.38 and 1,650.06

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Solution

The third proportional to 1,125.38 and 1,650.06 is: 2,419.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125.38 : 1,650.06 = 1,650.06 : x
  2. Step 2: Convert to fraction form
    1,125.38/1,650.06 = 1,650.06/x
  3. Step 3: Cross multiply
    1,125.38x = 1,650.06 × 1,650.06
  4. Step 4: Simplify right side
    1,125.38x = 2,722,706.25
  5. Step 5: Solve for x
    x = 2,722,706.25/1,125.38
  6. Step 6: Final answer
    x = 2,419.38

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.