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Finding the Third Proportional to 114,912 and 243,738

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Solution

The third proportional to 114,912 and 243,738 is: 516,988.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,912 : 243,738 = 243,738 : x
  2. Step 2: Convert to fraction form
    114,912/243,738 = 243,738/x
  3. Step 3: Cross multiply
    114,912x = 243,738 × 243,738
  4. Step 4: Simplify right side
    114,912x = 59,408,212,644
  5. Step 5: Solve for x
    x = 59,408,212,644/114,912
  6. Step 6: Final answer
    x = 516,988.76

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.