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Finding the Third Proportional to 7,574 and 17,882

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Solution

The third proportional to 7,574 and 17,882 is: 42,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,574 : 17,882 = 17,882 : x
  2. Step 2: Convert to fraction form
    7,574/17,882 = 17,882/x
  3. Step 3: Cross multiply
    7,574x = 17,882 × 17,882
  4. Step 4: Simplify right side
    7,574x = 319,765,924
  5. Step 5: Solve for x
    x = 319,765,924/7,574
  6. Step 6: Final answer
    x = 42,218.90

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.