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Finding the Third Proportional to 463.75 and 1,020.50

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Solution

The third proportional to 463.75 and 1,020.50 is: 2,245.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.75 : 1,020.50 = 1,020.50 : x
  2. Step 2: Convert to fraction form
    463.75/1,020.50 = 1,020.50/x
  3. Step 3: Cross multiply
    463.75x = 1,020.50 × 1,020.50
  4. Step 4: Simplify right side
    463.75x = 1,041,420.25
  5. Step 5: Solve for x
    x = 1,041,420.25/463.75
  6. Step 6: Final answer
    x = 2,245.65

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.