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Finding the Third Proportional to 39,943,636 and 86,040,032

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Solution

The third proportional to 39,943,636 and 86,040,032 is: 185,333,330.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,943,636 : 86,040,032 = 86,040,032 : x
  2. Step 2: Convert to fraction form
    39,943,636/86,040,032 = 86,040,032/x
  3. Step 3: Cross multiply
    39,943,636x = 86,040,032 × 86,040,032
  4. Step 4: Simplify right side
    39,943,636x = 7,402,887,106,561,024
  5. Step 5: Solve for x
    x = 7,402,887,106,561,024/39,943,636
  6. Step 6: Final answer
    x = 185,333,330.86

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.