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Finding the Third Proportional to 5,135.25 and 11,272.50

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Solution

The third proportional to 5,135.25 and 11,272.50 is: 24,744.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.25 : 11,272.50 = 11,272.50 : x
  2. Step 2: Convert to fraction form
    5,135.25/11,272.50 = 11,272.50/x
  3. Step 3: Cross multiply
    5,135.25x = 11,272.50 × 11,272.50
  4. Step 4: Simplify right side
    5,135.25x = 127,069,256.25
  5. Step 5: Solve for x
    x = 127,069,256.25/5,135.25
  6. Step 6: Final answer
    x = 24,744.51

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.