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Finding the Third Proportional to 15,225 and 33,038

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Solution

The third proportional to 15,225 and 33,038 is: 71,691.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,225 : 33,038 = 33,038 : x
  2. Step 2: Convert to fraction form
    15,225/33,038 = 33,038/x
  3. Step 3: Cross multiply
    15,225x = 33,038 × 33,038
  4. Step 4: Simplify right side
    15,225x = 1,091,509,444
  5. Step 5: Solve for x
    x = 1,091,509,444/15,225
  6. Step 6: Final answer
    x = 71,691.92

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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.