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Finding the Third Proportional to 1,098 and 2,083.50

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Solution

The third proportional to 1,098 and 2,083.50 is: 3,953.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098 : 2,083.50 = 2,083.50 : x
  2. Step 2: Convert to fraction form
    1,098/2,083.50 = 2,083.50/x
  3. Step 3: Cross multiply
    1,098x = 2,083.50 × 2,083.50
  4. Step 4: Simplify right side
    1,098x = 4,340,972.25
  5. Step 5: Solve for x
    x = 4,340,972.25/1,098
  6. Step 6: Final answer
    x = 3,953.53

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Why These Related Problems?

These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.