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Finding the Third Proportional to 19,008 and 27,136

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Solution

The third proportional to 19,008 and 27,136 is: 38,739.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008 : 27,136 = 27,136 : x
  2. Step 2: Convert to fraction form
    19,008/27,136 = 27,136/x
  3. Step 3: Cross multiply
    19,008x = 27,136 × 27,136
  4. Step 4: Simplify right side
    19,008x = 736,362,496
  5. Step 5: Solve for x
    x = 736,362,496/19,008
  6. Step 6: Final answer
    x = 38,739.61

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.