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Finding the Third Proportional to 18,919,869 and 41,502,342

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Solution

The third proportional to 18,919,869 and 41,502,342 is: 91,038,917.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,919,869 : 41,502,342 = 41,502,342 : x
  2. Step 2: Convert to fraction form
    18,919,869/41,502,342 = 41,502,342/x
  3. Step 3: Cross multiply
    18,919,869x = 41,502,342 × 41,502,342
  4. Step 4: Simplify right side
    18,919,869x = 1,722,444,391,484,964
  5. Step 5: Solve for x
    x = 1,722,444,391,484,964/18,919,869
  6. Step 6: Final answer
    x = 91,038,917.42

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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.