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Finding the Third Proportional to 290,592 and 440,234

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Solution

The third proportional to 290,592 and 440,234 is: 666,935.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,592 : 440,234 = 440,234 : x
  2. Step 2: Convert to fraction form
    290,592/440,234 = 440,234/x
  3. Step 3: Cross multiply
    290,592x = 440,234 × 440,234
  4. Step 4: Simplify right side
    290,592x = 193,805,974,756
  5. Step 5: Solve for x
    x = 193,805,974,756/290,592
  6. Step 6: Final answer
    x = 666,935.00

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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.