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Finding the Third Proportional to 7,345.69 and 11,701.97

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Solution

The third proportional to 7,345.69 and 11,701.97 is: 18,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.69 : 11,701.97 = 11,701.97 : x
  2. Step 2: Convert to fraction form
    7,345.69/11,701.97 = 11,701.97/x
  3. Step 3: Cross multiply
    7,345.69x = 11,701.97 × 11,701.97
  4. Step 4: Simplify right side
    7,345.69x = 136,936,072.63
  5. Step 5: Solve for x
    x = 136,936,072.63/7,345.69
  6. Step 6: Final answer
    x = 18,641.70

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.