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Finding the Third Proportional to 8,416 and 13,672

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Solution

The third proportional to 8,416 and 13,672 is: 22,210.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416 : 13,672 = 13,672 : x
  2. Step 2: Convert to fraction form
    8,416/13,672 = 13,672/x
  3. Step 3: Cross multiply
    8,416x = 13,672 × 13,672
  4. Step 4: Simplify right side
    8,416x = 186,923,584
  5. Step 5: Solve for x
    x = 186,923,584/8,416
  6. Step 6: Final answer
    x = 22,210.50

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.