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Finding the Third Proportional to 6,994.50 and 15,279

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Solution

The third proportional to 6,994.50 and 15,279 is: 33,375.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,994.50 : 15,279 = 15,279 : x
  2. Step 2: Convert to fraction form
    6,994.50/15,279 = 15,279/x
  3. Step 3: Cross multiply
    6,994.50x = 15,279 × 15,279
  4. Step 4: Simplify right side
    6,994.50x = 233,447,841
  5. Step 5: Solve for x
    x = 233,447,841/6,994.50
  6. Step 6: Final answer
    x = 33,375.92

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.