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Finding the Third Proportional to 1,602 and 2,728.69

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Solution

The third proportional to 1,602 and 2,728.69 is: 4,647.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602 : 2,728.69 = 2,728.69 : x
  2. Step 2: Convert to fraction form
    1,602/2,728.69 = 2,728.69/x
  3. Step 3: Cross multiply
    1,602x = 2,728.69 × 2,728.69
  4. Step 4: Simplify right side
    1,602x = 7,445,735.47
  5. Step 5: Solve for x
    x = 7,445,735.47/1,602
  6. Step 6: Final answer
    x = 4,647.77

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Why These Related Problems?

These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.