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Finding the Third Proportional to 80,522 and 170,788

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Solution

The third proportional to 80,522 and 170,788 is: 362,243.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,522 : 170,788 = 170,788 : x
  2. Step 2: Convert to fraction form
    80,522/170,788 = 170,788/x
  3. Step 3: Cross multiply
    80,522x = 170,788 × 170,788
  4. Step 4: Simplify right side
    80,522x = 29,168,540,944
  5. Step 5: Solve for x
    x = 29,168,540,944/80,522
  6. Step 6: Final answer
    x = 362,243.13

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.