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Finding the Third Proportional to 481,329 and 739,901.25

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Solution

The third proportional to 481,329 and 739,901.25 is: 1,137,379.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,329 : 739,901.25 = 739,901.25 : x
  2. Step 2: Convert to fraction form
    481,329/739,901.25 = 739,901.25/x
  3. Step 3: Cross multiply
    481,329x = 739,901.25 × 739,901.25
  4. Step 4: Simplify right side
    481,329x = 547,453,859,751.56
  5. Step 5: Solve for x
    x = 547,453,859,751.56/481,329
  6. Step 6: Final answer
    x = 1,137,379.75

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.