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Finding the Third Proportional to 8,274 and 17,721.75

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Solution

The third proportional to 8,274 and 17,721.75 is: 37,957.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,274 : 17,721.75 = 17,721.75 : x
  2. Step 2: Convert to fraction form
    8,274/17,721.75 = 17,721.75/x
  3. Step 3: Cross multiply
    8,274x = 17,721.75 × 17,721.75
  4. Step 4: Simplify right side
    8,274x = 314,060,423.06
  5. Step 5: Solve for x
    x = 314,060,423.06/8,274
  6. Step 6: Final answer
    x = 37,957.51

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.