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Finding the Third Proportional to 10,920 and 23,232

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Solution

The third proportional to 10,920 and 23,232 is: 49,425.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,920 : 23,232 = 23,232 : x
  2. Step 2: Convert to fraction form
    10,920/23,232 = 23,232/x
  3. Step 3: Cross multiply
    10,920x = 23,232 × 23,232
  4. Step 4: Simplify right side
    10,920x = 539,725,824
  5. Step 5: Solve for x
    x = 539,725,824/10,920
  6. Step 6: Final answer
    x = 49,425.44

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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.