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Finding the Third Proportional to 662,431 and 1,436,883

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Solution

The third proportional to 662,431 and 1,436,883 is: 3,116,751.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,431 : 1,436,883 = 1,436,883 : x
  2. Step 2: Convert to fraction form
    662,431/1,436,883 = 1,436,883/x
  3. Step 3: Cross multiply
    662,431x = 1,436,883 × 1,436,883
  4. Step 4: Simplify right side
    662,431x = 2,064,632,755,689
  5. Step 5: Solve for x
    x = 2,064,632,755,689/662,431
  6. Step 6: Final answer
    x = 3,116,751.41

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.