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Finding the Third Proportional to 17,674 and 38,465

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Solution

The third proportional to 17,674 and 38,465 is: 83,713.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,674 : 38,465 = 38,465 : x
  2. Step 2: Convert to fraction form
    17,674/38,465 = 38,465/x
  3. Step 3: Cross multiply
    17,674x = 38,465 × 38,465
  4. Step 4: Simplify right side
    17,674x = 1,479,556,225
  5. Step 5: Solve for x
    x = 1,479,556,225/17,674
  6. Step 6: Final answer
    x = 83,713.72

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.