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Finding the Third Proportional to 154,993.50 and 328,610.25

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Solution

The third proportional to 154,993.50 and 328,610.25 is: 696,704.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,993.50 : 328,610.25 = 328,610.25 : x
  2. Step 2: Convert to fraction form
    154,993.50/328,610.25 = 328,610.25/x
  3. Step 3: Cross multiply
    154,993.50x = 328,610.25 × 328,610.25
  4. Step 4: Simplify right side
    154,993.50x = 107,984,696,405.06
  5. Step 5: Solve for x
    x = 107,984,696,405.06/154,993.50
  6. Step 6: Final answer
    x = 696,704.68

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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.