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Finding the Third Proportional to 84,772 and 131,718

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Solution

The third proportional to 84,772 and 131,718 is: 204,662.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,772 : 131,718 = 131,718 : x
  2. Step 2: Convert to fraction form
    84,772/131,718 = 131,718/x
  3. Step 3: Cross multiply
    84,772x = 131,718 × 131,718
  4. Step 4: Simplify right side
    84,772x = 17,349,631,524
  5. Step 5: Solve for x
    x = 17,349,631,524/84,772
  6. Step 6: Final answer
    x = 204,662.29

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.