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Finding the Third Proportional to 31,846.50 and 68,883.75

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Solution

The third proportional to 31,846.50 and 68,883.75 is: 148,995.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,846.50 : 68,883.75 = 68,883.75 : x
  2. Step 2: Convert to fraction form
    31,846.50/68,883.75 = 68,883.75/x
  3. Step 3: Cross multiply
    31,846.50x = 68,883.75 × 68,883.75
  4. Step 4: Simplify right side
    31,846.50x = 4,744,971,014.06
  5. Step 5: Solve for x
    x = 4,744,971,014.06/31,846.50
  6. Step 6: Final answer
    x = 148,995.05

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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.