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Finding the Third Proportional to 5,231.25 and 6,347.25

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Solution

The third proportional to 5,231.25 and 6,347.25 is: 7,701.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.25 : 6,347.25 = 6,347.25 : x
  2. Step 2: Convert to fraction form
    5,231.25/6,347.25 = 6,347.25/x
  3. Step 3: Cross multiply
    5,231.25x = 6,347.25 × 6,347.25
  4. Step 4: Simplify right side
    5,231.25x = 40,287,582.56
  5. Step 5: Solve for x
    x = 40,287,582.56/5,231.25
  6. Step 6: Final answer
    x = 7,701.33

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.