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Finding the Third Proportional to 5,478.89 and 11,833.44

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Solution

The third proportional to 5,478.89 and 11,833.44 is: 25,558.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478.89 : 11,833.44 = 11,833.44 : x
  2. Step 2: Convert to fraction form
    5,478.89/11,833.44 = 11,833.44/x
  3. Step 3: Cross multiply
    5,478.89x = 11,833.44 × 11,833.44
  4. Step 4: Simplify right side
    5,478.89x = 140,030,196.84
  5. Step 5: Solve for x
    x = 140,030,196.84/5,478.89
  6. Step 6: Final answer
    x = 25,558.13

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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.