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Finding the Third Proportional to 301,140.75 and 440,381.25

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Solution

The third proportional to 301,140.75 and 440,381.25 is: 644,003.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,140.75 : 440,381.25 = 440,381.25 : x
  2. Step 2: Convert to fraction form
    301,140.75/440,381.25 = 440,381.25/x
  3. Step 3: Cross multiply
    301,140.75x = 440,381.25 × 440,381.25
  4. Step 4: Simplify right side
    301,140.75x = 193,935,645,351.56
  5. Step 5: Solve for x
    x = 193,935,645,351.56/301,140.75
  6. Step 6: Final answer
    x = 644,003.33

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.