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Finding the Third Proportional to 129,066.75 and 276,816.66

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Solution

The third proportional to 129,066.75 and 276,816.66 is: 593,704.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,066.75 : 276,816.66 = 276,816.66 : x
  2. Step 2: Convert to fraction form
    129,066.75/276,816.66 = 276,816.66/x
  3. Step 3: Cross multiply
    129,066.75x = 276,816.66 × 276,816.66
  4. Step 4: Simplify right side
    129,066.75x = 76,627,461,177.43
  5. Step 5: Solve for x
    x = 76,627,461,177.43/129,066.75
  6. Step 6: Final answer
    x = 593,704.12

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.