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Finding the Third Proportional to 17,624 and 39,904

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Solution

The third proportional to 17,624 and 39,904 is: 90,350.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,624 : 39,904 = 39,904 : x
  2. Step 2: Convert to fraction form
    17,624/39,904 = 39,904/x
  3. Step 3: Cross multiply
    17,624x = 39,904 × 39,904
  4. Step 4: Simplify right side
    17,624x = 1,592,329,216
  5. Step 5: Solve for x
    x = 1,592,329,216/17,624
  6. Step 6: Final answer
    x = 90,350.05

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.