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Finding the Third Proportional to 7,355.81 and 10,891.97

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Solution

The third proportional to 7,355.81 and 10,891.97 is: 16,128.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.81 : 10,891.97 = 10,891.97 : x
  2. Step 2: Convert to fraction form
    7,355.81/10,891.97 = 10,891.97/x
  3. Step 3: Cross multiply
    7,355.81x = 10,891.97 × 10,891.97
  4. Step 4: Simplify right side
    7,355.81x = 118,634,983.25
  5. Step 5: Solve for x
    x = 118,634,983.25/7,355.81
  6. Step 6: Final answer
    x = 16,128.06

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.