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Finding the Third Proportional to 430,842.75 and 603,745.13

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Solution

The third proportional to 430,842.75 and 603,745.13 is: 846,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,842.75 : 603,745.13 = 603,745.13 : x
  2. Step 2: Convert to fraction form
    430,842.75/603,745.13 = 603,745.13/x
  3. Step 3: Cross multiply
    430,842.75x = 603,745.13 × 603,745.13
  4. Step 4: Simplify right side
    430,842.75x = 364,508,175,961.27
  5. Step 5: Solve for x
    x = 364,508,175,961.27/430,842.75
  6. Step 6: Final answer
    x = 846,035.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.