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Finding the Third Proportional to 70,752.75 and 107,039.25

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Solution

The third proportional to 70,752.75 and 107,039.25 is: 161,935.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,752.75 : 107,039.25 = 107,039.25 : x
  2. Step 2: Convert to fraction form
    70,752.75/107,039.25 = 107,039.25/x
  3. Step 3: Cross multiply
    70,752.75x = 107,039.25 × 107,039.25
  4. Step 4: Simplify right side
    70,752.75x = 11,457,401,040.56
  5. Step 5: Solve for x
    x = 11,457,401,040.56/70,752.75
  6. Step 6: Final answer
    x = 161,935.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.