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Finding the Third Proportional to 19,330 and 27,575

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Solution

The third proportional to 19,330 and 27,575 is: 39,336.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,330 : 27,575 = 27,575 : x
  2. Step 2: Convert to fraction form
    19,330/27,575 = 27,575/x
  3. Step 3: Cross multiply
    19,330x = 27,575 × 27,575
  4. Step 4: Simplify right side
    19,330x = 760,380,625
  5. Step 5: Solve for x
    x = 760,380,625/19,330
  6. Step 6: Final answer
    x = 39,336.81

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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.