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Finding the Third Proportional to 4,277.25 and 9,211.50

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Solution

The third proportional to 4,277.25 and 9,211.50 is: 19,837.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.25 : 9,211.50 = 9,211.50 : x
  2. Step 2: Convert to fraction form
    4,277.25/9,211.50 = 9,211.50/x
  3. Step 3: Cross multiply
    4,277.25x = 9,211.50 × 9,211.50
  4. Step 4: Simplify right side
    4,277.25x = 84,851,732.25
  5. Step 5: Solve for x
    x = 84,851,732.25/4,277.25
  6. Step 6: Final answer
    x = 19,837.92

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.