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Finding the Third Proportional to 84,862.75 and 176,698

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Solution

The third proportional to 84,862.75 and 176,698 is: 367,913.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,862.75 : 176,698 = 176,698 : x
  2. Step 2: Convert to fraction form
    84,862.75/176,698 = 176,698/x
  3. Step 3: Cross multiply
    84,862.75x = 176,698 × 176,698
  4. Step 4: Simplify right side
    84,862.75x = 31,222,183,204
  5. Step 5: Solve for x
    x = 31,222,183,204/84,862.75
  6. Step 6: Final answer
    x = 367,913.88

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.