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Finding the Third Proportional to 299,416.50 and 440,363.25

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Solution

The third proportional to 299,416.50 and 440,363.25 is: 647,659.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,416.50 : 440,363.25 = 440,363.25 : x
  2. Step 2: Convert to fraction form
    299,416.50/440,363.25 = 440,363.25/x
  3. Step 3: Cross multiply
    299,416.50x = 440,363.25 × 440,363.25
  4. Step 4: Simplify right side
    299,416.50x = 193,919,791,950.56
  5. Step 5: Solve for x
    x = 193,919,791,950.56/299,416.50
  6. Step 6: Final answer
    x = 647,659.00

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.