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Finding the Third Proportional to 5,385,904 and 11,785,279

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Solution

The third proportional to 5,385,904 and 11,785,279 is: 25,788,205.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385,904 : 11,785,279 = 11,785,279 : x
  2. Step 2: Convert to fraction form
    5,385,904/11,785,279 = 11,785,279/x
  3. Step 3: Cross multiply
    5,385,904x = 11,785,279 × 11,785,279
  4. Step 4: Simplify right side
    5,385,904x = 138,892,801,107,841
  5. Step 5: Solve for x
    x = 138,892,801,107,841/5,385,904
  6. Step 6: Final answer
    x = 25,788,205.86

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.