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Finding the Third Proportional to 11,877,518 and 18,362,125

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Solution

The third proportional to 11,877,518 and 18,362,125 is: 28,387,044.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,877,518 : 18,362,125 = 18,362,125 : x
  2. Step 2: Convert to fraction form
    11,877,518/18,362,125 = 18,362,125/x
  3. Step 3: Cross multiply
    11,877,518x = 18,362,125 × 18,362,125
  4. Step 4: Simplify right side
    11,877,518x = 337,167,634,515,625
  5. Step 5: Solve for x
    x = 337,167,634,515,625/11,877,518
  6. Step 6: Final answer
    x = 28,387,044.71

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.