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Finding the Third Proportional to 1,732.64 and 2,682.49

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Solution

The third proportional to 1,732.64 and 2,682.49 is: 4,153.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.64 : 2,682.49 = 2,682.49 : x
  2. Step 2: Convert to fraction form
    1,732.64/2,682.49 = 2,682.49/x
  3. Step 3: Cross multiply
    1,732.64x = 2,682.49 × 2,682.49
  4. Step 4: Simplify right side
    1,732.64x = 7,195,764.34
  5. Step 5: Solve for x
    x = 7,195,764.34/1,732.64
  6. Step 6: Final answer
    x = 4,153.06

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.