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Finding the Third Proportional to 902.81 and 1,708.88

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Solution

The third proportional to 902.81 and 1,708.88 is: 3,234.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    902.81 : 1,708.88 = 1,708.88 : x
  2. Step 2: Convert to fraction form
    902.81/1,708.88 = 1,708.88/x
  3. Step 3: Cross multiply
    902.81x = 1,708.88 × 1,708.88
  4. Step 4: Simplify right side
    902.81x = 2,920,253.77
  5. Step 5: Solve for x
    x = 2,920,253.77/902.81
  6. Step 6: Final answer
    x = 3,234.62

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Why These Related Problems?

These problems maintain the same ratio (1.89) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.