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Finding the Third Proportional to 7,425,918 and 11,816,091

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Solution

The third proportional to 7,425,918 and 11,816,091 is: 18,801,716.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425,918 : 11,816,091 = 11,816,091 : x
  2. Step 2: Convert to fraction form
    7,425,918/11,816,091 = 11,816,091/x
  3. Step 3: Cross multiply
    7,425,918x = 11,816,091 × 11,816,091
  4. Step 4: Simplify right side
    7,425,918x = 139,620,006,520,281
  5. Step 5: Solve for x
    x = 139,620,006,520,281/7,425,918
  6. Step 6: Final answer
    x = 18,801,716.71

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.