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Finding the Third Proportional to 28,824 and 67,324

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Solution

The third proportional to 28,824 and 67,324 is: 157,248.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,824 : 67,324 = 67,324 : x
  2. Step 2: Convert to fraction form
    28,824/67,324 = 67,324/x
  3. Step 3: Cross multiply
    28,824x = 67,324 × 67,324
  4. Step 4: Simplify right side
    28,824x = 4,532,520,976
  5. Step 5: Solve for x
    x = 4,532,520,976/28,824
  6. Step 6: Final answer
    x = 157,248.16

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.