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Finding the Third Proportional to 4,491.46 and 9,448.45

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Solution

The third proportional to 4,491.46 and 9,448.45 is: 19,876.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,491.46 : 9,448.45 = 9,448.45 : x
  2. Step 2: Convert to fraction form
    4,491.46/9,448.45 = 9,448.45/x
  3. Step 3: Cross multiply
    4,491.46x = 9,448.45 × 9,448.45
  4. Step 4: Simplify right side
    4,491.46x = 89,273,266.46
  5. Step 5: Solve for x
    x = 89,273,266.46/4,491.46
  6. Step 6: Final answer
    x = 19,876.24

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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.