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Finding the Third Proportional to 12,543 and 26,754

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Solution

The third proportional to 12,543 and 26,754 is: 57,065.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543 : 26,754 = 26,754 : x
  2. Step 2: Convert to fraction form
    12,543/26,754 = 26,754/x
  3. Step 3: Cross multiply
    12,543x = 26,754 × 26,754
  4. Step 4: Simplify right side
    12,543x = 715,776,516
  5. Step 5: Solve for x
    x = 715,776,516/12,543
  6. Step 6: Final answer
    x = 57,065.81

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.