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Finding the Third Proportional to 667,807 and 1,436,853

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Solution

The third proportional to 667,807 and 1,436,853 is: 3,091,531.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,807 : 1,436,853 = 1,436,853 : x
  2. Step 2: Convert to fraction form
    667,807/1,436,853 = 1,436,853/x
  3. Step 3: Cross multiply
    667,807x = 1,436,853 × 1,436,853
  4. Step 4: Simplify right side
    667,807x = 2,064,546,543,609
  5. Step 5: Solve for x
    x = 2,064,546,543,609/667,807
  6. Step 6: Final answer
    x = 3,091,531.75

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.