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Finding the Third Proportional to 27,178 and 58,376

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Solution

The third proportional to 27,178 and 58,376 is: 125,386.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,178 : 58,376 = 58,376 : x
  2. Step 2: Convert to fraction form
    27,178/58,376 = 58,376/x
  3. Step 3: Cross multiply
    27,178x = 58,376 × 58,376
  4. Step 4: Simplify right side
    27,178x = 3,407,757,376
  5. Step 5: Solve for x
    x = 3,407,757,376/27,178
  6. Step 6: Final answer
    x = 125,386.61

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.