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Finding the Third Proportional to 62,520 and 135,015

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Solution

The third proportional to 62,520 and 135,015 is: 291,571.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,520 : 135,015 = 135,015 : x
  2. Step 2: Convert to fraction form
    62,520/135,015 = 135,015/x
  3. Step 3: Cross multiply
    62,520x = 135,015 × 135,015
  4. Step 4: Simplify right side
    62,520x = 18,229,050,225
  5. Step 5: Solve for x
    x = 18,229,050,225/62,520
  6. Step 6: Final answer
    x = 291,571.50

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.