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Finding the Third Proportional to 12,072 and 28,344

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Solution

The third proportional to 12,072 and 28,344 is: 66,549.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072 : 28,344 = 28,344 : x
  2. Step 2: Convert to fraction form
    12,072/28,344 = 28,344/x
  3. Step 3: Cross multiply
    12,072x = 28,344 × 28,344
  4. Step 4: Simplify right side
    12,072x = 803,382,336
  5. Step 5: Solve for x
    x = 803,382,336/12,072
  6. Step 6: Final answer
    x = 66,549.23

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.