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Finding the Third Proportional to 153,432 and 328,185

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Solution

The third proportional to 153,432 and 328,185 is: 701,974.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,432 : 328,185 = 328,185 : x
  2. Step 2: Convert to fraction form
    153,432/328,185 = 328,185/x
  3. Step 3: Cross multiply
    153,432x = 328,185 × 328,185
  4. Step 4: Simplify right side
    153,432x = 107,705,394,225
  5. Step 5: Solve for x
    x = 107,705,394,225/153,432
  6. Step 6: Final answer
    x = 701,974.78

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.