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Finding the Third Proportional to 11,914,623 and 18,411,120

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Solution

The third proportional to 11,914,623 and 18,411,120 is: 28,449,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,914,623 : 18,411,120 = 18,411,120 : x
  2. Step 2: Convert to fraction form
    11,914,623/18,411,120 = 18,411,120/x
  3. Step 3: Cross multiply
    11,914,623x = 18,411,120 × 18,411,120
  4. Step 4: Simplify right side
    11,914,623x = 338,969,339,654,400
  5. Step 5: Solve for x
    x = 338,969,339,654,400/11,914,623
  6. Step 6: Final answer
    x = 28,449,858.60

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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.