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Finding the Third Proportional to 626.75 and 1,358.13

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Solution

The third proportional to 626.75 and 1,358.13 is: 2,942.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.75 : 1,358.13 = 1,358.13 : x
  2. Step 2: Convert to fraction form
    626.75/1,358.13 = 1,358.13/x
  3. Step 3: Cross multiply
    626.75x = 1,358.13 × 1,358.13
  4. Step 4: Simplify right side
    626.75x = 1,844,503.52
  5. Step 5: Solve for x
    x = 1,844,503.52/626.75
  6. Step 6: Final answer
    x = 2,942.97

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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.