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Finding the Third Proportional to 8,074 and 10,905

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Solution

The third proportional to 8,074 and 10,905 is: 14,728.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074 : 10,905 = 10,905 : x
  2. Step 2: Convert to fraction form
    8,074/10,905 = 10,905/x
  3. Step 3: Cross multiply
    8,074x = 10,905 × 10,905
  4. Step 4: Simplify right side
    8,074x = 118,919,025
  5. Step 5: Solve for x
    x = 118,919,025/8,074
  6. Step 6: Final answer
    x = 14,728.64

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.