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Finding the Third Proportional to 400,724 and 599,836

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Solution

The third proportional to 400,724 and 599,836 is: 897,882.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,724 : 599,836 = 599,836 : x
  2. Step 2: Convert to fraction form
    400,724/599,836 = 599,836/x
  3. Step 3: Cross multiply
    400,724x = 599,836 × 599,836
  4. Step 4: Simplify right side
    400,724x = 359,803,226,896
  5. Step 5: Solve for x
    x = 359,803,226,896/400,724
  6. Step 6: Final answer
    x = 897,882.90

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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.