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Finding the Third Proportional to 3,926.50 and 6,072

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Solution

The third proportional to 3,926.50 and 6,072 is: 9,389.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.50 : 6,072 = 6,072 : x
  2. Step 2: Convert to fraction form
    3,926.50/6,072 = 6,072/x
  3. Step 3: Cross multiply
    3,926.50x = 6,072 × 6,072
  4. Step 4: Simplify right side
    3,926.50x = 36,869,184
  5. Step 5: Solve for x
    x = 36,869,184/3,926.50
  6. Step 6: Final answer
    x = 9,389.83

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.