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Finding the Third Proportional to 7,338.09 and 11,155.22

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Solution

The third proportional to 7,338.09 and 11,155.22 is: 16,957.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.09 : 11,155.22 = 11,155.22 : x
  2. Step 2: Convert to fraction form
    7,338.09/11,155.22 = 11,155.22/x
  3. Step 3: Cross multiply
    7,338.09x = 11,155.22 × 11,155.22
  4. Step 4: Simplify right side
    7,338.09x = 124,438,905.36
  5. Step 5: Solve for x
    x = 124,438,905.36/7,338.09
  6. Step 6: Final answer
    x = 16,957.93

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.