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Finding the Third Proportional to 3,586.50 and 7,739.50

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Solution

The third proportional to 3,586.50 and 7,739.50 is: 16,701.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.50 : 7,739.50 = 7,739.50 : x
  2. Step 2: Convert to fraction form
    3,586.50/7,739.50 = 7,739.50/x
  3. Step 3: Cross multiply
    3,586.50x = 7,739.50 × 7,739.50
  4. Step 4: Simplify right side
    3,586.50x = 59,899,860.25
  5. Step 5: Solve for x
    x = 59,899,860.25/3,586.50
  6. Step 6: Final answer
    x = 16,701.48

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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.