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Finding the Third Proportional to 3,129,756.75 and 6,672,876.75

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Solution

The third proportional to 3,129,756.75 and 6,672,876.75 is: 14,227,075.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,756.75 : 6,672,876.75 = 6,672,876.75 : x
  2. Step 2: Convert to fraction form
    3,129,756.75/6,672,876.75 = 6,672,876.75/x
  3. Step 3: Cross multiply
    3,129,756.75x = 6,672,876.75 × 6,672,876.75
  4. Step 4: Simplify right side
    3,129,756.75x = 44,527,284,120,690.56
  5. Step 5: Solve for x
    x = 44,527,284,120,690.56/3,129,756.75
  6. Step 6: Final answer
    x = 14,227,075.03

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.