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Finding the Third Proportional to 100,136 and 187,660

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Solution

The third proportional to 100,136 and 187,660 is: 351,684.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,136 : 187,660 = 187,660 : x
  2. Step 2: Convert to fraction form
    100,136/187,660 = 187,660/x
  3. Step 3: Cross multiply
    100,136x = 187,660 × 187,660
  4. Step 4: Simplify right side
    100,136x = 35,216,275,600
  5. Step 5: Solve for x
    x = 35,216,275,600/100,136
  6. Step 6: Final answer
    x = 351,684.47

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Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.