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Finding the Third Proportional to 21,191.44 and 25,929.94

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Solution

The third proportional to 21,191.44 and 25,929.94 is: 31,727.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,191.44 : 25,929.94 = 25,929.94 : x
  2. Step 2: Convert to fraction form
    21,191.44/25,929.94 = 25,929.94/x
  3. Step 3: Cross multiply
    21,191.44x = 25,929.94 × 25,929.94
  4. Step 4: Simplify right side
    21,191.44x = 672,361,658.75
  5. Step 5: Solve for x
    x = 672,361,658.75/21,191.44
  6. Step 6: Final answer
    x = 31,727.99

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These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.