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Finding the Third Proportional to 57,984,991.75 and 81,109,668.75

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Solution

The third proportional to 57,984,991.75 and 81,109,668.75 is: 113,456,571.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,984,991.75 : 81,109,668.75 = 81,109,668.75 : x
  2. Step 2: Convert to fraction form
    57,984,991.75/81,109,668.75 = 81,109,668.75/x
  3. Step 3: Cross multiply
    57,984,991.75x = 81,109,668.75 × 81,109,668.75
  4. Step 4: Simplify right side
    57,984,991.75x = 6,578,778,364,734,727
  5. Step 5: Solve for x
    x = 6,578,778,364,734,727/57,984,991.75
  6. Step 6: Final answer
    x = 113,456,571.54

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.