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Finding the Third Proportional to 3,162.88 and 4,718.75

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Solution

The third proportional to 3,162.88 and 4,718.75 is: 7,039.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.88 : 4,718.75 = 4,718.75 : x
  2. Step 2: Convert to fraction form
    3,162.88/4,718.75 = 4,718.75/x
  3. Step 3: Cross multiply
    3,162.88x = 4,718.75 × 4,718.75
  4. Step 4: Simplify right side
    3,162.88x = 22,266,601.56
  5. Step 5: Solve for x
    x = 22,266,601.56/3,162.88
  6. Step 6: Final answer
    x = 7,039.99

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.