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Finding the Third Proportional to 101,772 and 149,608

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Solution

The third proportional to 101,772 and 149,608 is: 219,928.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,772 : 149,608 = 149,608 : x
  2. Step 2: Convert to fraction form
    101,772/149,608 = 149,608/x
  3. Step 3: Cross multiply
    101,772x = 149,608 × 149,608
  4. Step 4: Simplify right side
    101,772x = 22,382,553,664
  5. Step 5: Solve for x
    x = 22,382,553,664/101,772
  6. Step 6: Final answer
    x = 219,928.41

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.