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Finding the Third Proportional to 18,919,902 and 41,502,408

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Solution

The third proportional to 18,919,902 and 41,502,408 is: 91,039,048.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,919,902 : 41,502,408 = 41,502,408 : x
  2. Step 2: Convert to fraction form
    18,919,902/41,502,408 = 41,502,408/x
  3. Step 3: Cross multiply
    18,919,902x = 41,502,408 × 41,502,408
  4. Step 4: Simplify right side
    18,919,902x = 1,722,449,869,798,464
  5. Step 5: Solve for x
    x = 1,722,449,869,798,464/18,919,902
  6. Step 6: Final answer
    x = 91,039,048.18

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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.