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Finding the Third Proportional to 107,512 and 161,376

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Solution

The third proportional to 107,512 and 161,376 is: 242,226.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,512 : 161,376 = 161,376 : x
  2. Step 2: Convert to fraction form
    107,512/161,376 = 161,376/x
  3. Step 3: Cross multiply
    107,512x = 161,376 × 161,376
  4. Step 4: Simplify right side
    107,512x = 26,042,213,376
  5. Step 5: Solve for x
    x = 26,042,213,376/107,512
  6. Step 6: Final answer
    x = 242,226.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.