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Finding the Third Proportional to 18,211,268.25 and 39,018,663

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Solution

The third proportional to 18,211,268.25 and 39,018,663 is: 83,599,672.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211,268.25 : 39,018,663 = 39,018,663 : x
  2. Step 2: Convert to fraction form
    18,211,268.25/39,018,663 = 39,018,663/x
  3. Step 3: Cross multiply
    18,211,268.25x = 39,018,663 × 39,018,663
  4. Step 4: Simplify right side
    18,211,268.25x = 1,522,456,062,307,569
  5. Step 5: Solve for x
    x = 1,522,456,062,307,569/18,211,268.25
  6. Step 6: Final answer
    x = 83,599,672.54

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.