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Finding the Third Proportional to 6,994.69 and 10,918.13

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Solution

The third proportional to 6,994.69 and 10,918.13 is: 17,042.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,994.69 : 10,918.13 = 10,918.13 : x
  2. Step 2: Convert to fraction form
    6,994.69/10,918.13 = 10,918.13/x
  3. Step 3: Cross multiply
    6,994.69x = 10,918.13 × 10,918.13
  4. Step 4: Simplify right side
    6,994.69x = 119,205,453.52
  5. Step 5: Solve for x
    x = 119,205,453.52/6,994.69
  6. Step 6: Final answer
    x = 17,042.28

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.