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Finding the Third Proportional to 7,669.69 and 11,302.03

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Solution

The third proportional to 7,669.69 and 11,302.03 is: 16,654.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.69 : 11,302.03 = 11,302.03 : x
  2. Step 2: Convert to fraction form
    7,669.69/11,302.03 = 11,302.03/x
  3. Step 3: Cross multiply
    7,669.69x = 11,302.03 × 11,302.03
  4. Step 4: Simplify right side
    7,669.69x = 127,735,910.38
  5. Step 5: Solve for x
    x = 127,735,910.38/7,669.69
  6. Step 6: Final answer
    x = 16,654.64

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.