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Finding the Third Proportional to 437,906 and 659,992

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Solution

The third proportional to 437,906 and 659,992 is: 994,709.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,906 : 659,992 = 659,992 : x
  2. Step 2: Convert to fraction form
    437,906/659,992 = 659,992/x
  3. Step 3: Cross multiply
    437,906x = 659,992 × 659,992
  4. Step 4: Simplify right side
    437,906x = 435,589,440,064
  5. Step 5: Solve for x
    x = 435,589,440,064/437,906
  6. Step 6: Final answer
    x = 994,709.92

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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.