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Finding the Third Proportional to 178,869 and 372,329

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Solution

The third proportional to 178,869 and 372,329 is: 775,030.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,869 : 372,329 = 372,329 : x
  2. Step 2: Convert to fraction form
    178,869/372,329 = 372,329/x
  3. Step 3: Cross multiply
    178,869x = 372,329 × 372,329
  4. Step 4: Simplify right side
    178,869x = 138,628,884,241
  5. Step 5: Solve for x
    x = 138,628,884,241/178,869
  6. Step 6: Final answer
    x = 775,030.24

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.