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Finding the Third Proportional to 18,921,503 and 41,505,502

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Solution

The third proportional to 18,921,503 and 41,505,502 is: 91,044,918.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,921,503 : 41,505,502 = 41,505,502 : x
  2. Step 2: Convert to fraction form
    18,921,503/41,505,502 = 41,505,502/x
  3. Step 3: Cross multiply
    18,921,503x = 41,505,502 × 41,505,502
  4. Step 4: Simplify right side
    18,921,503x = 1,722,706,696,272,004
  5. Step 5: Solve for x
    x = 1,722,706,696,272,004/18,921,503
  6. Step 6: Final answer
    x = 91,044,918.38

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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.