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Finding the Third Proportional to 757.48 and 1,573.80

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Solution

The third proportional to 757.48 and 1,573.80 is: 3,269.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    757.48 : 1,573.80 = 1,573.80 : x
  2. Step 2: Convert to fraction form
    757.48/1,573.80 = 1,573.80/x
  3. Step 3: Cross multiply
    757.48x = 1,573.80 × 1,573.80
  4. Step 4: Simplify right side
    757.48x = 2,476,861.19
  5. Step 5: Solve for x
    x = 2,476,861.19/757.48
  6. Step 6: Final answer
    x = 3,269.88

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.