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Finding the Third Proportional to 6,374 and 9,039

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Solution

The third proportional to 6,374 and 9,039 is: 12,818.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,374 : 9,039 = 9,039 : x
  2. Step 2: Convert to fraction form
    6,374/9,039 = 9,039/x
  3. Step 3: Cross multiply
    6,374x = 9,039 × 9,039
  4. Step 4: Simplify right side
    6,374x = 81,703,521
  5. Step 5: Solve for x
    x = 81,703,521/6,374
  6. Step 6: Final answer
    x = 12,818.25

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.