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Finding the Third Proportional to 62,172 and 134,170

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Solution

The third proportional to 62,172 and 134,170 is: 289,544.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,172 : 134,170 = 134,170 : x
  2. Step 2: Convert to fraction form
    62,172/134,170 = 134,170/x
  3. Step 3: Cross multiply
    62,172x = 134,170 × 134,170
  4. Step 4: Simplify right side
    62,172x = 18,001,588,900
  5. Step 5: Solve for x
    x = 18,001,588,900/62,172
  6. Step 6: Final answer
    x = 289,544.95

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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.