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Finding the Third Proportional to 462.75 and 1,015.50

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Solution

The third proportional to 462.75 and 1,015.50 is: 2,228.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.75 : 1,015.50 = 1,015.50 : x
  2. Step 2: Convert to fraction form
    462.75/1,015.50 = 1,015.50/x
  3. Step 3: Cross multiply
    462.75x = 1,015.50 × 1,015.50
  4. Step 4: Simplify right side
    462.75x = 1,031,240.25
  5. Step 5: Solve for x
    x = 1,031,240.25/462.75
  6. Step 6: Final answer
    x = 2,228.50

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.