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Finding the Third Proportional to 5,458.22 and 11,916.07

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Solution

The third proportional to 5,458.22 and 11,916.07 is: 26,014.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.22 : 11,916.07 = 11,916.07 : x
  2. Step 2: Convert to fraction form
    5,458.22/11,916.07 = 11,916.07/x
  3. Step 3: Cross multiply
    5,458.22x = 11,916.07 × 11,916.07
  4. Step 4: Simplify right side
    5,458.22x = 141,992,731.69
  5. Step 5: Solve for x
    x = 141,992,731.69/5,458.22
  6. Step 6: Final answer
    x = 26,014.48

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.