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Finding the Third Proportional to 87,101.63 and 190,811.25

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Solution

The third proportional to 87,101.63 and 190,811.25 is: 418,005.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,101.63 : 190,811.25 = 190,811.25 : x
  2. Step 2: Convert to fraction form
    87,101.63/190,811.25 = 190,811.25/x
  3. Step 3: Cross multiply
    87,101.63x = 190,811.25 × 190,811.25
  4. Step 4: Simplify right side
    87,101.63x = 36,408,933,126.56
  5. Step 5: Solve for x
    x = 36,408,933,126.56/87,101.63
  6. Step 6: Final answer
    x = 418,005.21

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.