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Finding the Third Proportional to 7,517.25 and 16,315.88

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Solution

The third proportional to 7,517.25 and 16,315.88 is: 35,412.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.25 : 16,315.88 = 16,315.88 : x
  2. Step 2: Convert to fraction form
    7,517.25/16,315.88 = 16,315.88/x
  3. Step 3: Cross multiply
    7,517.25x = 16,315.88 × 16,315.88
  4. Step 4: Simplify right side
    7,517.25x = 266,207,777.02
  5. Step 5: Solve for x
    x = 266,207,777.02/7,517.25
  6. Step 6: Final answer
    x = 35,412.92

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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.