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Finding the Third Proportional to 10,231 and 22,415

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Solution

The third proportional to 10,231 and 22,415 is: 49,108.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231 : 22,415 = 22,415 : x
  2. Step 2: Convert to fraction form
    10,231/22,415 = 22,415/x
  3. Step 3: Cross multiply
    10,231x = 22,415 × 22,415
  4. Step 4: Simplify right side
    10,231x = 502,432,225
  5. Step 5: Solve for x
    x = 502,432,225/10,231
  6. Step 6: Final answer
    x = 49,108.81

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.