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Finding the Third Proportional to 1,452 and 2,728.50

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Solution

The third proportional to 1,452 and 2,728.50 is: 5,127.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452 : 2,728.50 = 2,728.50 : x
  2. Step 2: Convert to fraction form
    1,452/2,728.50 = 2,728.50/x
  3. Step 3: Cross multiply
    1,452x = 2,728.50 × 2,728.50
  4. Step 4: Simplify right side
    1,452x = 7,444,712.25
  5. Step 5: Solve for x
    x = 7,444,712.25/1,452
  6. Step 6: Final answer
    x = 5,127.21

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Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.