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Finding the Third Proportional to 293,390 and 440,734

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Solution

The third proportional to 293,390 and 440,734 is: 662,075.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,390 : 440,734 = 440,734 : x
  2. Step 2: Convert to fraction form
    293,390/440,734 = 440,734/x
  3. Step 3: Cross multiply
    293,390x = 440,734 × 440,734
  4. Step 4: Simplify right side
    293,390x = 194,246,458,756
  5. Step 5: Solve for x
    x = 194,246,458,756/293,390
  6. Step 6: Final answer
    x = 662,075.94

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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.