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Finding the Third Proportional to 36,392.50 and 77,159

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Solution

The third proportional to 36,392.50 and 77,159 is: 163,591.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,392.50 : 77,159 = 77,159 : x
  2. Step 2: Convert to fraction form
    36,392.50/77,159 = 77,159/x
  3. Step 3: Cross multiply
    36,392.50x = 77,159 × 77,159
  4. Step 4: Simplify right side
    36,392.50x = 5,953,511,281
  5. Step 5: Solve for x
    x = 5,953,511,281/36,392.50
  6. Step 6: Final answer
    x = 163,591.71

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.