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Finding the Third Proportional to 12,261.38 and 28,263.94

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Solution

The third proportional to 12,261.38 and 28,263.94 is: 65,151.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261.38 : 28,263.94 = 28,263.94 : x
  2. Step 2: Convert to fraction form
    12,261.38/28,263.94 = 28,263.94/x
  3. Step 3: Cross multiply
    12,261.38x = 28,263.94 × 28,263.94
  4. Step 4: Simplify right side
    12,261.38x = 798,850,163.00
  5. Step 5: Solve for x
    x = 798,850,163.00/12,261.38
  6. Step 6: Final answer
    x = 65,151.76

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.