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Finding the Third Proportional to 65,696.25 and 136,059

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Solution

The third proportional to 65,696.25 and 136,059 is: 281,782.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,696.25 : 136,059 = 136,059 : x
  2. Step 2: Convert to fraction form
    65,696.25/136,059 = 136,059/x
  3. Step 3: Cross multiply
    65,696.25x = 136,059 × 136,059
  4. Step 4: Simplify right side
    65,696.25x = 18,512,051,481
  5. Step 5: Solve for x
    x = 18,512,051,481/65,696.25
  6. Step 6: Final answer
    x = 281,782.47

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.