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Finding the Third Proportional to 13,429.13 and 20,611.13

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Solution

The third proportional to 13,429.13 and 20,611.13 is: 31,634.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,429.13 : 20,611.13 = 20,611.13 : x
  2. Step 2: Convert to fraction form
    13,429.13/20,611.13 = 20,611.13/x
  3. Step 3: Cross multiply
    13,429.13x = 20,611.13 × 20,611.13
  4. Step 4: Simplify right side
    13,429.13x = 424,818,473.77
  5. Step 5: Solve for x
    x = 424,818,473.77/13,429.13
  6. Step 6: Final answer
    x = 31,634.11

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.