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Finding the Third Proportional to 1,044 and 1,378.13

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Solution

The third proportional to 1,044 and 1,378.13 is: 1,819.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044 : 1,378.13 = 1,378.13 : x
  2. Step 2: Convert to fraction form
    1,044/1,378.13 = 1,378.13/x
  3. Step 3: Cross multiply
    1,044x = 1,378.13 × 1,378.13
  4. Step 4: Simplify right side
    1,044x = 1,899,228.52
  5. Step 5: Solve for x
    x = 1,899,228.52/1,044
  6. Step 6: Final answer
    x = 1,819.18

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.