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Finding the Third Proportional to 69,102 and 149,232

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Solution

The third proportional to 69,102 and 149,232 is: 322,279.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,102 : 149,232 = 149,232 : x
  2. Step 2: Convert to fraction form
    69,102/149,232 = 149,232/x
  3. Step 3: Cross multiply
    69,102x = 149,232 × 149,232
  4. Step 4: Simplify right side
    69,102x = 22,270,189,824
  5. Step 5: Solve for x
    x = 22,270,189,824/69,102
  6. Step 6: Final answer
    x = 322,279.96

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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.