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Finding the Third Proportional to 440,996.25 and 621,036.75

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Solution

The third proportional to 440,996.25 and 621,036.75 is: 874,580.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,996.25 : 621,036.75 = 621,036.75 : x
  2. Step 2: Convert to fraction form
    440,996.25/621,036.75 = 621,036.75/x
  3. Step 3: Cross multiply
    440,996.25x = 621,036.75 × 621,036.75
  4. Step 4: Simplify right side
    440,996.25x = 385,686,644,850.56
  5. Step 5: Solve for x
    x = 385,686,644,850.56/440,996.25
  6. Step 6: Final answer
    x = 874,580.33

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.