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Finding the Third Proportional to 65,506.50 and 140,361.75

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Solution

The third proportional to 65,506.50 and 140,361.75 is: 300,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,506.50 : 140,361.75 = 140,361.75 : x
  2. Step 2: Convert to fraction form
    65,506.50/140,361.75 = 140,361.75/x
  3. Step 3: Cross multiply
    65,506.50x = 140,361.75 × 140,361.75
  4. Step 4: Simplify right side
    65,506.50x = 19,701,420,863.06
  5. Step 5: Solve for x
    x = 19,701,420,863.06/65,506.50
  6. Step 6: Final answer
    x = 300,755.21

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.