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Finding the Third Proportional to 12,171.38 and 26,240.63

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Solution

The third proportional to 12,171.38 and 26,240.63 is: 56,572.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,171.38 : 26,240.63 = 26,240.63 : x
  2. Step 2: Convert to fraction form
    12,171.38/26,240.63 = 26,240.63/x
  3. Step 3: Cross multiply
    12,171.38x = 26,240.63 × 26,240.63
  4. Step 4: Simplify right side
    12,171.38x = 688,570,400.39
  5. Step 5: Solve for x
    x = 688,570,400.39/12,171.38
  6. Step 6: Final answer
    x = 56,572.93

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.