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Finding the Third Proportional to 7,431,781 and 10,860,888

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Solution

The third proportional to 7,431,781 and 10,860,888 is: 15,872,223.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431,781 : 10,860,888 = 10,860,888 : x
  2. Step 2: Convert to fraction form
    7,431,781/10,860,888 = 10,860,888/x
  3. Step 3: Cross multiply
    7,431,781x = 10,860,888 × 10,860,888
  4. Step 4: Simplify right side
    7,431,781x = 117,958,888,148,544
  5. Step 5: Solve for x
    x = 117,958,888,148,544/7,431,781
  6. Step 6: Final answer
    x = 15,872,223.38

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.