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Finding the Third Proportional to 7,374 and 10,279

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Solution

The third proportional to 7,374 and 10,279 is: 14,328.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374 : 10,279 = 10,279 : x
  2. Step 2: Convert to fraction form
    7,374/10,279 = 10,279/x
  3. Step 3: Cross multiply
    7,374x = 10,279 × 10,279
  4. Step 4: Simplify right side
    7,374x = 105,657,841
  5. Step 5: Solve for x
    x = 105,657,841/7,374
  6. Step 6: Final answer
    x = 14,328.43

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.