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Finding the Third Proportional to 12,329.50 and 26,447

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Solution

The third proportional to 12,329.50 and 26,447 is: 56,729.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,329.50 : 26,447 = 26,447 : x
  2. Step 2: Convert to fraction form
    12,329.50/26,447 = 26,447/x
  3. Step 3: Cross multiply
    12,329.50x = 26,447 × 26,447
  4. Step 4: Simplify right side
    12,329.50x = 699,443,809
  5. Step 5: Solve for x
    x = 699,443,809/12,329.50
  6. Step 6: Final answer
    x = 56,729.29

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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.