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Finding the Third Proportional to 12,932 and 28,415

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Solution

The third proportional to 12,932 and 28,415 is: 62,435.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932 : 28,415 = 28,415 : x
  2. Step 2: Convert to fraction form
    12,932/28,415 = 28,415/x
  3. Step 3: Cross multiply
    12,932x = 28,415 × 28,415
  4. Step 4: Simplify right side
    12,932x = 807,412,225
  5. Step 5: Solve for x
    x = 807,412,225/12,932
  6. Step 6: Final answer
    x = 62,435.22

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.