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Finding the Third Proportional to 87,357.50 and 191,073

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Solution

The third proportional to 87,357.50 and 191,073 is: 417,925.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,357.50 : 191,073 = 191,073 : x
  2. Step 2: Convert to fraction form
    87,357.50/191,073 = 191,073/x
  3. Step 3: Cross multiply
    87,357.50x = 191,073 × 191,073
  4. Step 4: Simplify right side
    87,357.50x = 36,508,891,329
  5. Step 5: Solve for x
    x = 36,508,891,329/87,357.50
  6. Step 6: Final answer
    x = 417,925.09

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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.