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Finding the Third Proportional to 13,121 and 24,328

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Solution

The third proportional to 13,121 and 24,328 is: 45,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121 : 24,328 = 24,328 : x
  2. Step 2: Convert to fraction form
    13,121/24,328 = 24,328/x
  3. Step 3: Cross multiply
    13,121x = 24,328 × 24,328
  4. Step 4: Simplify right side
    13,121x = 591,851,584
  5. Step 5: Solve for x
    x = 591,851,584/13,121
  6. Step 6: Final answer
    x = 45,107.20

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.