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Finding the Third Proportional to 393,325.88 and 843,999.75

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Solution

The third proportional to 393,325.88 and 843,999.75 is: 1,811,057.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,325.88 : 843,999.75 = 843,999.75 : x
  2. Step 2: Convert to fraction form
    393,325.88/843,999.75 = 843,999.75/x
  3. Step 3: Cross multiply
    393,325.88x = 843,999.75 × 843,999.75
  4. Step 4: Simplify right side
    393,325.88x = 712,335,578,000.06
  5. Step 5: Solve for x
    x = 712,335,578,000.06/393,325.88
  6. Step 6: Final answer
    x = 1,811,057.00

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.