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Finding the Third Proportional to 290,324 and 444,126

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Solution

The third proportional to 290,324 and 444,126 is: 679,406.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,324 : 444,126 = 444,126 : x
  2. Step 2: Convert to fraction form
    290,324/444,126 = 444,126/x
  3. Step 3: Cross multiply
    290,324x = 444,126 × 444,126
  4. Step 4: Simplify right side
    290,324x = 197,247,903,876
  5. Step 5: Solve for x
    x = 197,247,903,876/290,324
  6. Step 6: Final answer
    x = 679,406.13

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.