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Finding the Third Proportional to 5,385,920 and 11,801,896

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Solution

The third proportional to 5,385,920 and 11,801,896 is: 25,860,901.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385,920 : 11,801,896 = 11,801,896 : x
  2. Step 2: Convert to fraction form
    5,385,920/11,801,896 = 11,801,896/x
  3. Step 3: Cross multiply
    5,385,920x = 11,801,896 × 11,801,896
  4. Step 4: Simplify right side
    5,385,920x = 139,284,749,194,816
  5. Step 5: Solve for x
    x = 139,284,749,194,816/5,385,920
  6. Step 6: Final answer
    x = 25,860,901.98

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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.