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Finding the Third Proportional to 68,472 and 147,177

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Solution

The third proportional to 68,472 and 147,177 is: 316,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,472 : 147,177 = 147,177 : x
  2. Step 2: Convert to fraction form
    68,472/147,177 = 147,177/x
  3. Step 3: Cross multiply
    68,472x = 147,177 × 147,177
  4. Step 4: Simplify right side
    68,472x = 21,661,069,329
  5. Step 5: Solve for x
    x = 21,661,069,329/68,472
  6. Step 6: Final answer
    x = 316,349.30

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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.