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Finding the Third Proportional to 8,778 and 14,116

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Solution

The third proportional to 8,778 and 14,116 is: 22,700.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778 : 14,116 = 14,116 : x
  2. Step 2: Convert to fraction form
    8,778/14,116 = 14,116/x
  3. Step 3: Cross multiply
    8,778x = 14,116 × 14,116
  4. Step 4: Simplify right side
    8,778x = 199,261,456
  5. Step 5: Solve for x
    x = 199,261,456/8,778
  6. Step 6: Final answer
    x = 22,700.10

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.