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Finding the Third Proportional to 13,486.50 and 19,741.22

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Solution

The third proportional to 13,486.50 and 19,741.22 is: 28,896.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486.50 : 19,741.22 = 19,741.22 : x
  2. Step 2: Convert to fraction form
    13,486.50/19,741.22 = 19,741.22/x
  3. Step 3: Cross multiply
    13,486.50x = 19,741.22 × 19,741.22
  4. Step 4: Simplify right side
    13,486.50x = 389,715,717.74
  5. Step 5: Solve for x
    x = 389,715,717.74/13,486.50
  6. Step 6: Final answer
    x = 28,896.73

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.