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Finding the Third Proportional to 6,782.50 and 14,587.75

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Solution

The third proportional to 6,782.50 and 14,587.75 is: 31,375.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,782.50 : 14,587.75 = 14,587.75 : x
  2. Step 2: Convert to fraction form
    6,782.50/14,587.75 = 14,587.75/x
  3. Step 3: Cross multiply
    6,782.50x = 14,587.75 × 14,587.75
  4. Step 4: Simplify right side
    6,782.50x = 212,802,450.06
  5. Step 5: Solve for x
    x = 212,802,450.06/6,782.50
  6. Step 6: Final answer
    x = 31,375.22

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.