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Finding the Third Proportional to 5,428.50 and 6,204.75

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Solution

The third proportional to 5,428.50 and 6,204.75 is: 7,092.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.50 : 6,204.75 = 6,204.75 : x
  2. Step 2: Convert to fraction form
    5,428.50/6,204.75 = 6,204.75/x
  3. Step 3: Cross multiply
    5,428.50x = 6,204.75 × 6,204.75
  4. Step 4: Simplify right side
    5,428.50x = 38,498,922.56
  5. Step 5: Solve for x
    x = 38,498,922.56/5,428.50
  6. Step 6: Final answer
    x = 7,092.00

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.