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Finding the Third Proportional to 63,180 and 135,108

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Solution

The third proportional to 63,180 and 135,108 is: 288,923.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,180 : 135,108 = 135,108 : x
  2. Step 2: Convert to fraction form
    63,180/135,108 = 135,108/x
  3. Step 3: Cross multiply
    63,180x = 135,108 × 135,108
  4. Step 4: Simplify right side
    63,180x = 18,254,171,664
  5. Step 5: Solve for x
    x = 18,254,171,664/63,180
  6. Step 6: Final answer
    x = 288,923.26

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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.