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Finding the Third Proportional to 109,487 and 167,187

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Solution

The third proportional to 109,487 and 167,187 is: 255,295.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,487 : 167,187 = 167,187 : x
  2. Step 2: Convert to fraction form
    109,487/167,187 = 167,187/x
  3. Step 3: Cross multiply
    109,487x = 167,187 × 167,187
  4. Step 4: Simplify right side
    109,487x = 27,951,492,969
  5. Step 5: Solve for x
    x = 27,951,492,969/109,487
  6. Step 6: Final answer
    x = 255,295.08

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.