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Finding the Third Proportional to 7,381.13 and 19,272.94

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Solution

The third proportional to 7,381.13 and 19,272.94 is: 50,323.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.13 : 19,272.94 = 19,272.94 : x
  2. Step 2: Convert to fraction form
    7,381.13/19,272.94 = 19,272.94/x
  3. Step 3: Cross multiply
    7,381.13x = 19,272.94 × 19,272.94
  4. Step 4: Simplify right side
    7,381.13x = 371,446,119.88
  5. Step 5: Solve for x
    x = 371,446,119.88/7,381.13
  6. Step 6: Final answer
    x = 50,323.78

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Why These Related Problems?

These problems maintain the same ratio (2.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.