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Finding the Third Proportional to 7,376 and 17,636

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Solution

The third proportional to 7,376 and 17,636 is: 42,167.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376 : 17,636 = 17,636 : x
  2. Step 2: Convert to fraction form
    7,376/17,636 = 17,636/x
  3. Step 3: Cross multiply
    7,376x = 17,636 × 17,636
  4. Step 4: Simplify right side
    7,376x = 311,028,496
  5. Step 5: Solve for x
    x = 311,028,496/7,376
  6. Step 6: Final answer
    x = 42,167.64

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Why These Related Problems?

These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.