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Finding the Third Proportional to 7,274 and 15,708

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Solution

The third proportional to 7,274 and 15,708 is: 33,920.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274 : 15,708 = 15,708 : x
  2. Step 2: Convert to fraction form
    7,274/15,708 = 15,708/x
  3. Step 3: Cross multiply
    7,274x = 15,708 × 15,708
  4. Step 4: Simplify right side
    7,274x = 246,741,264
  5. Step 5: Solve for x
    x = 246,741,264/7,274
  6. Step 6: Final answer
    x = 33,920.99

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.