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Finding the Third Proportional to 121,048 and 188,202

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Solution

The third proportional to 121,048 and 188,202 is: 292,611.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,048 : 188,202 = 188,202 : x
  2. Step 2: Convert to fraction form
    121,048/188,202 = 188,202/x
  3. Step 3: Cross multiply
    121,048x = 188,202 × 188,202
  4. Step 4: Simplify right side
    121,048x = 35,419,992,804
  5. Step 5: Solve for x
    x = 35,419,992,804/121,048
  6. Step 6: Final answer
    x = 292,611.14

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.