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Finding the Third Proportional to 118,228 and 177,456

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Solution

The third proportional to 118,228 and 177,456 is: 266,355.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,228 : 177,456 = 177,456 : x
  2. Step 2: Convert to fraction form
    118,228/177,456 = 177,456/x
  3. Step 3: Cross multiply
    118,228x = 177,456 × 177,456
  4. Step 4: Simplify right side
    118,228x = 31,490,631,936
  5. Step 5: Solve for x
    x = 31,490,631,936/118,228
  6. Step 6: Final answer
    x = 266,355.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.