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Finding the Third Proportional to 79,339.50 and 173,148.75

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Solution

The third proportional to 79,339.50 and 173,148.75 is: 377,875.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,339.50 : 173,148.75 = 173,148.75 : x
  2. Step 2: Convert to fraction form
    79,339.50/173,148.75 = 173,148.75/x
  3. Step 3: Cross multiply
    79,339.50x = 173,148.75 × 173,148.75
  4. Step 4: Simplify right side
    79,339.50x = 29,980,489,626.56
  5. Step 5: Solve for x
    x = 29,980,489,626.56/79,339.50
  6. Step 6: Final answer
    x = 377,875.96

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.