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Finding the Third Proportional to 118,395 and 253,638

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Solution

The third proportional to 118,395 and 253,638 is: 543,369.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,395 : 253,638 = 253,638 : x
  2. Step 2: Convert to fraction form
    118,395/253,638 = 253,638/x
  3. Step 3: Cross multiply
    118,395x = 253,638 × 253,638
  4. Step 4: Simplify right side
    118,395x = 64,332,235,044
  5. Step 5: Solve for x
    x = 64,332,235,044/118,395
  6. Step 6: Final answer
    x = 543,369.53

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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.