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Finding the Third Proportional to 70,812.75 and 108,066.75

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Solution

The third proportional to 70,812.75 and 108,066.75 is: 164,919.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,812.75 : 108,066.75 = 108,066.75 : x
  2. Step 2: Convert to fraction form
    70,812.75/108,066.75 = 108,066.75/x
  3. Step 3: Cross multiply
    70,812.75x = 108,066.75 × 108,066.75
  4. Step 4: Simplify right side
    70,812.75x = 11,678,422,455.56
  5. Step 5: Solve for x
    x = 11,678,422,455.56/70,812.75
  6. Step 6: Final answer
    x = 164,919.77

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.