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Finding the Third Proportional to 129,063.38 and 276,810.75

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Solution

The third proportional to 129,063.38 and 276,810.75 is: 593,694.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,063.38 : 276,810.75 = 276,810.75 : x
  2. Step 2: Convert to fraction form
    129,063.38/276,810.75 = 276,810.75/x
  3. Step 3: Cross multiply
    129,063.38x = 276,810.75 × 276,810.75
  4. Step 4: Simplify right side
    129,063.38x = 76,624,191,315.56
  5. Step 5: Solve for x
    x = 76,624,191,315.56/129,063.38
  6. Step 6: Final answer
    x = 593,694.31

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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.