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Finding the Third Proportional to 39,696,573 and 85,990,546

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Solution

The third proportional to 39,696,573 and 85,990,546 is: 186,272,351.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,696,573 : 85,990,546 = 85,990,546 : x
  2. Step 2: Convert to fraction form
    39,696,573/85,990,546 = 85,990,546/x
  3. Step 3: Cross multiply
    39,696,573x = 85,990,546 × 85,990,546
  4. Step 4: Simplify right side
    39,696,573x = 7,394,374,001,378,116
  5. Step 5: Solve for x
    x = 7,394,374,001,378,116/39,696,573
  6. Step 6: Final answer
    x = 186,272,351.55

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.