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Finding the Third Proportional to 117,136 and 276,380

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Solution

The third proportional to 117,136 and 276,380 is: 652,112.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,136 : 276,380 = 276,380 : x
  2. Step 2: Convert to fraction form
    117,136/276,380 = 276,380/x
  3. Step 3: Cross multiply
    117,136x = 276,380 × 276,380
  4. Step 4: Simplify right side
    117,136x = 76,385,904,400
  5. Step 5: Solve for x
    x = 76,385,904,400/117,136
  6. Step 6: Final answer
    x = 652,112.97

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.