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Finding the Third Proportional to 384,840.75 and 603,687

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Solution

The third proportional to 384,840.75 and 603,687 is: 946,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,840.75 : 603,687 = 603,687 : x
  2. Step 2: Convert to fraction form
    384,840.75/603,687 = 603,687/x
  3. Step 3: Cross multiply
    384,840.75x = 603,687 × 603,687
  4. Step 4: Simplify right side
    384,840.75x = 364,437,993,969
  5. Step 5: Solve for x
    x = 364,437,993,969/384,840.75
  6. Step 6: Final answer
    x = 946,983.90

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.