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Finding the Third Proportional to 927.50 and 2,156.75

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Solution

The third proportional to 927.50 and 2,156.75 is: 5,015.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    927.50 : 2,156.75 = 2,156.75 : x
  2. Step 2: Convert to fraction form
    927.50/2,156.75 = 2,156.75/x
  3. Step 3: Cross multiply
    927.50x = 2,156.75 × 2,156.75
  4. Step 4: Simplify right side
    927.50x = 4,651,570.56
  5. Step 5: Solve for x
    x = 4,651,570.56/927.50
  6. Step 6: Final answer
    x = 5,015.17

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.