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Finding the Third Proportional to 7,256.25 and 11,167.88

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Solution

The third proportional to 7,256.25 and 11,167.88 is: 17,188.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,256.25 : 11,167.88 = 11,167.88 : x
  2. Step 2: Convert to fraction form
    7,256.25/11,167.88 = 11,167.88/x
  3. Step 3: Cross multiply
    7,256.25x = 11,167.88 × 11,167.88
  4. Step 4: Simplify right side
    7,256.25x = 124,721,432.02
  5. Step 5: Solve for x
    x = 124,721,432.02/7,256.25
  6. Step 6: Final answer
    x = 17,188.14

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.