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Finding the Third Proportional to 479,249.16 and 720,103.92

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Solution

The third proportional to 479,249.16 and 720,103.92 is: 1,082,004.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,249.16 : 720,103.92 = 720,103.92 : x
  2. Step 2: Convert to fraction form
    479,249.16/720,103.92 = 720,103.92/x
  3. Step 3: Cross multiply
    479,249.16x = 720,103.92 × 720,103.92
  4. Step 4: Simplify right side
    479,249.16x = 518,549,658,299.76
  5. Step 5: Solve for x
    x = 518,549,658,299.76/479,249.16
  6. Step 6: Final answer
    x = 1,082,004.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.