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Finding the Third Proportional to 65,672 and 136,015

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Solution

The third proportional to 65,672 and 136,015 is: 281,704.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,672 : 136,015 = 136,015 : x
  2. Step 2: Convert to fraction form
    65,672/136,015 = 136,015/x
  3. Step 3: Cross multiply
    65,672x = 136,015 × 136,015
  4. Step 4: Simplify right side
    65,672x = 18,500,080,225
  5. Step 5: Solve for x
    x = 18,500,080,225/65,672
  6. Step 6: Final answer
    x = 281,704.23

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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.