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Finding the Third Proportional to 64,522 and 131,636

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Solution

The third proportional to 64,522 and 131,636 is: 268,560.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,522 : 131,636 = 131,636 : x
  2. Step 2: Convert to fraction form
    64,522/131,636 = 131,636/x
  3. Step 3: Cross multiply
    64,522x = 131,636 × 131,636
  4. Step 4: Simplify right side
    64,522x = 17,328,036,496
  5. Step 5: Solve for x
    x = 17,328,036,496/64,522
  6. Step 6: Final answer
    x = 268,560.13

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.