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Finding the Third Proportional to 3,639.30 and 5,752.09

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Solution

The third proportional to 3,639.30 and 5,752.09 is: 9,091.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.30 : 5,752.09 = 5,752.09 : x
  2. Step 2: Convert to fraction form
    3,639.30/5,752.09 = 5,752.09/x
  3. Step 3: Cross multiply
    3,639.30x = 5,752.09 × 5,752.09
  4. Step 4: Simplify right side
    3,639.30x = 33,086,512.29
  5. Step 5: Solve for x
    x = 33,086,512.29/3,639.30
  6. Step 6: Final answer
    x = 9,091.44

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.