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Finding the Third Proportional to 472.71 and 1,020.41

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Solution

The third proportional to 472.71 and 1,020.41 is: 2,202.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.71 : 1,020.41 = 1,020.41 : x
  2. Step 2: Convert to fraction form
    472.71/1,020.41 = 1,020.41/x
  3. Step 3: Cross multiply
    472.71x = 1,020.41 × 1,020.41
  4. Step 4: Simplify right side
    472.71x = 1,041,236.89
  5. Step 5: Solve for x
    x = 1,041,236.89/472.71
  6. Step 6: Final answer
    x = 2,202.69

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.