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Finding the Third Proportional to 12,608 and 16,776

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Solution

The third proportional to 12,608 and 16,776 is: 22,321.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,608 : 16,776 = 16,776 : x
  2. Step 2: Convert to fraction form
    12,608/16,776 = 16,776/x
  3. Step 3: Cross multiply
    12,608x = 16,776 × 16,776
  4. Step 4: Simplify right side
    12,608x = 281,434,176
  5. Step 5: Solve for x
    x = 281,434,176/12,608
  6. Step 6: Final answer
    x = 22,321.87

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.