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Finding the Third Proportional to 20,880.91 and 43,812.14

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Solution

The third proportional to 20,880.91 and 43,812.14 is: 91,926.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,880.91 : 43,812.14 = 43,812.14 : x
  2. Step 2: Convert to fraction form
    20,880.91/43,812.14 = 43,812.14/x
  3. Step 3: Cross multiply
    20,880.91x = 43,812.14 × 43,812.14
  4. Step 4: Simplify right side
    20,880.91x = 1,919,503,666.14
  5. Step 5: Solve for x
    x = 1,919,503,666.14/20,880.91
  6. Step 6: Final answer
    x = 91,926.23

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.