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Finding the Third Proportional to 60,191 and 129,632

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Solution

The third proportional to 60,191 and 129,632 is: 279,185.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,191 : 129,632 = 129,632 : x
  2. Step 2: Convert to fraction form
    60,191/129,632 = 129,632/x
  3. Step 3: Cross multiply
    60,191x = 129,632 × 129,632
  4. Step 4: Simplify right side
    60,191x = 16,804,455,424
  5. Step 5: Solve for x
    x = 16,804,455,424/60,191
  6. Step 6: Final answer
    x = 279,185.52

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.