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Finding the Third Proportional to 4,205.81 and 8,924.06

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Solution

The third proportional to 4,205.81 and 8,924.06 is: 18,935.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205.81 : 8,924.06 = 8,924.06 : x
  2. Step 2: Convert to fraction form
    4,205.81/8,924.06 = 8,924.06/x
  3. Step 3: Cross multiply
    4,205.81x = 8,924.06 × 8,924.06
  4. Step 4: Simplify right side
    4,205.81x = 79,638,891.50
  5. Step 5: Solve for x
    x = 79,638,891.50/4,205.81
  6. Step 6: Final answer
    x = 18,935.44

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.