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Finding the Third Proportional to 12,280 and 26,752

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Solution

The third proportional to 12,280 and 26,752 is: 58,279.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,280 : 26,752 = 26,752 : x
  2. Step 2: Convert to fraction form
    12,280/26,752 = 26,752/x
  3. Step 3: Cross multiply
    12,280x = 26,752 × 26,752
  4. Step 4: Simplify right side
    12,280x = 715,669,504
  5. Step 5: Solve for x
    x = 715,669,504/12,280
  6. Step 6: Final answer
    x = 58,279.28

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.