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Finding the Third Proportional to 10,287.50 and 22,177

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Solution

The third proportional to 10,287.50 and 22,177 is: 47,807.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287.50 : 22,177 = 22,177 : x
  2. Step 2: Convert to fraction form
    10,287.50/22,177 = 22,177/x
  3. Step 3: Cross multiply
    10,287.50x = 22,177 × 22,177
  4. Step 4: Simplify right side
    10,287.50x = 491,819,329
  5. Step 5: Solve for x
    x = 491,819,329/10,287.50
  6. Step 6: Final answer
    x = 47,807.47

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.