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Finding the Third Proportional to 10,238.50 and 15,022

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Solution

The third proportional to 10,238.50 and 15,022 is: 22,040.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,238.50 : 15,022 = 15,022 : x
  2. Step 2: Convert to fraction form
    10,238.50/15,022 = 15,022/x
  3. Step 3: Cross multiply
    10,238.50x = 15,022 × 15,022
  4. Step 4: Simplify right side
    10,238.50x = 225,660,484
  5. Step 5: Solve for x
    x = 225,660,484/10,238.50
  6. Step 6: Final answer
    x = 22,040.39

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.