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Finding the Third Proportional to 8,276 and 15,672

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Solution

The third proportional to 8,276 and 15,672 is: 29,677.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276 : 15,672 = 15,672 : x
  2. Step 2: Convert to fraction form
    8,276/15,672 = 15,672/x
  3. Step 3: Cross multiply
    8,276x = 15,672 × 15,672
  4. Step 4: Simplify right side
    8,276x = 245,611,584
  5. Step 5: Solve for x
    x = 245,611,584/8,276
  6. Step 6: Final answer
    x = 29,677.57

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Why These Related Problems?

These problems maintain the same ratio (1.89) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.