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Finding the Third Proportional to 1,727 and 2,455.50

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Solution

The third proportional to 1,727 and 2,455.50 is: 3,491.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727 : 2,455.50 = 2,455.50 : x
  2. Step 2: Convert to fraction form
    1,727/2,455.50 = 2,455.50/x
  3. Step 3: Cross multiply
    1,727x = 2,455.50 × 2,455.50
  4. Step 4: Simplify right side
    1,727x = 6,029,480.25
  5. Step 5: Solve for x
    x = 6,029,480.25/1,727
  6. Step 6: Final answer
    x = 3,491.30

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.