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Finding the Third Proportional to 17,612 and 27,316

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Solution

The third proportional to 17,612 and 27,316 is: 42,366.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,612 : 27,316 = 27,316 : x
  2. Step 2: Convert to fraction form
    17,612/27,316 = 27,316/x
  3. Step 3: Cross multiply
    17,612x = 27,316 × 27,316
  4. Step 4: Simplify right side
    17,612x = 746,163,856
  5. Step 5: Solve for x
    x = 746,163,856/17,612
  6. Step 6: Final answer
    x = 42,366.79

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.