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Finding the Third Proportional to 9,384.19 and 20,611.13

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Solution

The third proportional to 9,384.19 and 20,611.13 is: 45,269.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,384.19 : 20,611.13 = 20,611.13 : x
  2. Step 2: Convert to fraction form
    9,384.19/20,611.13 = 20,611.13/x
  3. Step 3: Cross multiply
    9,384.19x = 20,611.13 × 20,611.13
  4. Step 4: Simplify right side
    9,384.19x = 424,818,473.77
  5. Step 5: Solve for x
    x = 424,818,473.77/9,384.19
  6. Step 6: Final answer
    x = 45,269.61

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.