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Finding the Third Proportional to 3,182 and 4,927.75

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Solution

The third proportional to 3,182 and 4,927.75 is: 7,631.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182 : 4,927.75 = 4,927.75 : x
  2. Step 2: Convert to fraction form
    3,182/4,927.75 = 4,927.75/x
  3. Step 3: Cross multiply
    3,182x = 4,927.75 × 4,927.75
  4. Step 4: Simplify right side
    3,182x = 24,282,720.06
  5. Step 5: Solve for x
    x = 24,282,720.06/3,182
  6. Step 6: Final answer
    x = 7,631.28

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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.