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Finding the Third Proportional to 4,908.09 and 10,686.94

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Solution

The third proportional to 4,908.09 and 10,686.94 is: 23,269.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.09 : 10,686.94 = 10,686.94 : x
  2. Step 2: Convert to fraction form
    4,908.09/10,686.94 = 10,686.94/x
  3. Step 3: Cross multiply
    4,908.09x = 10,686.94 × 10,686.94
  4. Step 4: Simplify right side
    4,908.09x = 114,210,633.13
  5. Step 5: Solve for x
    x = 114,210,633.13/4,908.09
  6. Step 6: Final answer
    x = 23,269.86

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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.