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Finding the Third Proportional to 8,960 and 21,232

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Solution

The third proportional to 8,960 and 21,232 is: 50,312.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960 : 21,232 = 21,232 : x
  2. Step 2: Convert to fraction form
    8,960/21,232 = 21,232/x
  3. Step 3: Cross multiply
    8,960x = 21,232 × 21,232
  4. Step 4: Simplify right side
    8,960x = 450,797,824
  5. Step 5: Solve for x
    x = 450,797,824/8,960
  6. Step 6: Final answer
    x = 50,312.26

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Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.