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Finding the Third Proportional to 81,146 and 175,252

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Solution

The third proportional to 81,146 and 175,252 is: 378,493.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,146 : 175,252 = 175,252 : x
  2. Step 2: Convert to fraction form
    81,146/175,252 = 175,252/x
  3. Step 3: Cross multiply
    81,146x = 175,252 × 175,252
  4. Step 4: Simplify right side
    81,146x = 30,713,263,504
  5. Step 5: Solve for x
    x = 30,713,263,504/81,146
  6. Step 6: Final answer
    x = 378,493.87

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.