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Finding the Third Proportional to 5,461.17 and 8,940.38

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Solution

The third proportional to 5,461.17 and 8,940.38 is: 14,636.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.17 : 8,940.38 = 8,940.38 : x
  2. Step 2: Convert to fraction form
    5,461.17/8,940.38 = 8,940.38/x
  3. Step 3: Cross multiply
    5,461.17x = 8,940.38 × 8,940.38
  4. Step 4: Simplify right side
    5,461.17x = 79,930,305.14
  5. Step 5: Solve for x
    x = 79,930,305.14/5,461.17
  6. Step 6: Final answer
    x = 14,636.11

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.