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Finding the Third Proportional to 7,137.75 and 15,207

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Solution

The third proportional to 7,137.75 and 15,207 is: 32,398.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.75 : 15,207 = 15,207 : x
  2. Step 2: Convert to fraction form
    7,137.75/15,207 = 15,207/x
  3. Step 3: Cross multiply
    7,137.75x = 15,207 × 15,207
  4. Step 4: Simplify right side
    7,137.75x = 231,252,849
  5. Step 5: Solve for x
    x = 231,252,849/7,137.75
  6. Step 6: Final answer
    x = 32,398.56

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.