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Finding the Third Proportional to 78,693.75 and 169,950.75

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Solution

The third proportional to 78,693.75 and 169,950.75 is: 367,033.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,693.75 : 169,950.75 = 169,950.75 : x
  2. Step 2: Convert to fraction form
    78,693.75/169,950.75 = 169,950.75/x
  3. Step 3: Cross multiply
    78,693.75x = 169,950.75 × 169,950.75
  4. Step 4: Simplify right side
    78,693.75x = 28,883,257,425.56
  5. Step 5: Solve for x
    x = 28,883,257,425.56/78,693.75
  6. Step 6: Final answer
    x = 367,033.69

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.