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Finding the Third Proportional to 12,726 and 27,331.50

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Solution

The third proportional to 12,726 and 27,331.50 is: 58,699.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726 : 27,331.50 = 27,331.50 : x
  2. Step 2: Convert to fraction form
    12,726/27,331.50 = 27,331.50/x
  3. Step 3: Cross multiply
    12,726x = 27,331.50 × 27,331.50
  4. Step 4: Simplify right side
    12,726x = 747,010,892.25
  5. Step 5: Solve for x
    x = 747,010,892.25/12,726
  6. Step 6: Final answer
    x = 58,699.58

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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.