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Finding the Third Proportional to 3,629 and 7,358.50

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Solution

The third proportional to 3,629 and 7,358.50 is: 14,920.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629 : 7,358.50 = 7,358.50 : x
  2. Step 2: Convert to fraction form
    3,629/7,358.50 = 7,358.50/x
  3. Step 3: Cross multiply
    3,629x = 7,358.50 × 7,358.50
  4. Step 4: Simplify right side
    3,629x = 54,147,522.25
  5. Step 5: Solve for x
    x = 54,147,522.25/3,629
  6. Step 6: Final answer
    x = 14,920.78

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.