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Finding the Third Proportional to 320,814 and 483,057

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Solution

The third proportional to 320,814 and 483,057 is: 727,350.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,814 : 483,057 = 483,057 : x
  2. Step 2: Convert to fraction form
    320,814/483,057 = 483,057/x
  3. Step 3: Cross multiply
    320,814x = 483,057 × 483,057
  4. Step 4: Simplify right side
    320,814x = 233,344,065,249
  5. Step 5: Solve for x
    x = 233,344,065,249/320,814
  6. Step 6: Final answer
    x = 727,350.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.