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Finding the Third Proportional to 124,519,048 and 198,919,936

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Solution

The third proportional to 124,519,048 and 198,919,936 is: 317,775,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,519,048 : 198,919,936 = 198,919,936 : x
  2. Step 2: Convert to fraction form
    124,519,048/198,919,936 = 198,919,936/x
  3. Step 3: Cross multiply
    124,519,048x = 198,919,936 × 198,919,936
  4. Step 4: Simplify right side
    124,519,048x = 39,569,140,938,244,096
  5. Step 5: Solve for x
    x = 39,569,140,938,244,096/124,519,048
  6. Step 6: Final answer
    x = 317,775,806.78

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.