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Finding the Third Proportional to 335,727 and 686,961

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Solution

The third proportional to 335,727 and 686,961 is: 1,405,652.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,727 : 686,961 = 686,961 : x
  2. Step 2: Convert to fraction form
    335,727/686,961 = 686,961/x
  3. Step 3: Cross multiply
    335,727x = 686,961 × 686,961
  4. Step 4: Simplify right side
    335,727x = 471,915,415,521
  5. Step 5: Solve for x
    x = 471,915,415,521/335,727
  6. Step 6: Final answer
    x = 1,405,652.26

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.