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Finding the Third Proportional to 5,479.69 and 11,835.19

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Solution

The third proportional to 5,479.69 and 11,835.19 is: 25,561.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.69 : 11,835.19 = 11,835.19 : x
  2. Step 2: Convert to fraction form
    5,479.69/11,835.19 = 11,835.19/x
  3. Step 3: Cross multiply
    5,479.69x = 11,835.19 × 11,835.19
  4. Step 4: Simplify right side
    5,479.69x = 140,071,663.16
  5. Step 5: Solve for x
    x = 140,071,663.16/5,479.69
  6. Step 6: Final answer
    x = 25,561.98

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.