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Finding the Third Proportional to 85,269,948 and 187,542,108

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Solution

The third proportional to 85,269,948 and 187,542,108 is: 412,478,758.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,269,948 : 187,542,108 = 187,542,108 : x
  2. Step 2: Convert to fraction form
    85,269,948/187,542,108 = 187,542,108/x
  3. Step 3: Cross multiply
    85,269,948x = 187,542,108 × 187,542,108
  4. Step 4: Simplify right side
    85,269,948x = 35,172,042,273,083,664
  5. Step 5: Solve for x
    x = 35,172,042,273,083,664/85,269,948
  6. Step 6: Final answer
    x = 412,478,758.32

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.