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Finding the Third Proportional to 6,169.50 and 8,928

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Solution

The third proportional to 6,169.50 and 8,928 is: 12,919.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,169.50 : 8,928 = 8,928 : x
  2. Step 2: Convert to fraction form
    6,169.50/8,928 = 8,928/x
  3. Step 3: Cross multiply
    6,169.50x = 8,928 × 8,928
  4. Step 4: Simplify right side
    6,169.50x = 79,709,184
  5. Step 5: Solve for x
    x = 79,709,184/6,169.50
  6. Step 6: Final answer
    x = 12,919.88

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.