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Finding the Third Proportional to 6,981.50 and 15,175

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Solution

The third proportional to 6,981.50 and 15,175 is: 32,984.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.50 : 15,175 = 15,175 : x
  2. Step 2: Convert to fraction form
    6,981.50/15,175 = 15,175/x
  3. Step 3: Cross multiply
    6,981.50x = 15,175 × 15,175
  4. Step 4: Simplify right side
    6,981.50x = 230,280,625
  5. Step 5: Solve for x
    x = 230,280,625/6,981.50
  6. Step 6: Final answer
    x = 32,984.41

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.