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Finding the Third Proportional to 12,619.50 and 17,695

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Solution

The third proportional to 12,619.50 and 17,695 is: 24,811.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619.50 : 17,695 = 17,695 : x
  2. Step 2: Convert to fraction form
    12,619.50/17,695 = 17,695/x
  3. Step 3: Cross multiply
    12,619.50x = 17,695 × 17,695
  4. Step 4: Simplify right side
    12,619.50x = 313,113,025
  5. Step 5: Solve for x
    x = 313,113,025/12,619.50
  6. Step 6: Final answer
    x = 24,811.84

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.