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Finding the Third Proportional to 6,985.69 and 9,245.81

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Solution

The third proportional to 6,985.69 and 9,245.81 is: 12,237.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985.69 : 9,245.81 = 9,245.81 : x
  2. Step 2: Convert to fraction form
    6,985.69/9,245.81 = 9,245.81/x
  3. Step 3: Cross multiply
    6,985.69x = 9,245.81 × 9,245.81
  4. Step 4: Simplify right side
    6,985.69x = 85,485,048.79
  5. Step 5: Solve for x
    x = 85,485,048.79/6,985.69
  6. Step 6: Final answer
    x = 12,237.17

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.