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Finding the Third Proportional to 12,792 and 26,700

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Solution

The third proportional to 12,792 and 26,700 is: 55,729.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792 : 26,700 = 26,700 : x
  2. Step 2: Convert to fraction form
    12,792/26,700 = 26,700/x
  3. Step 3: Cross multiply
    12,792x = 26,700 × 26,700
  4. Step 4: Simplify right side
    12,792x = 712,890,000
  5. Step 5: Solve for x
    x = 712,890,000/12,792
  6. Step 6: Final answer
    x = 55,729.36

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.