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Finding the Third Proportional to 135,081 and 312,714

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Solution

The third proportional to 135,081 and 312,714 is: 723,936.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,081 : 312,714 = 312,714 : x
  2. Step 2: Convert to fraction form
    135,081/312,714 = 312,714/x
  3. Step 3: Cross multiply
    135,081x = 312,714 × 312,714
  4. Step 4: Simplify right side
    135,081x = 97,790,045,796
  5. Step 5: Solve for x
    x = 97,790,045,796/135,081
  6. Step 6: Final answer
    x = 723,936.35

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.