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Finding the Third Proportional to 17,477 and 38,386

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Solution

The third proportional to 17,477 and 38,386 is: 84,309.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,477 : 38,386 = 38,386 : x
  2. Step 2: Convert to fraction form
    17,477/38,386 = 38,386/x
  3. Step 3: Cross multiply
    17,477x = 38,386 × 38,386
  4. Step 4: Simplify right side
    17,477x = 1,473,484,996
  5. Step 5: Solve for x
    x = 1,473,484,996/17,477
  6. Step 6: Final answer
    x = 84,309.95

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.