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Finding the Third Proportional to 810,918 and 1,783,707.75

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Solution

The third proportional to 810,918 and 1,783,707.75 is: 3,923,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,918 : 1,783,707.75 = 1,783,707.75 : x
  2. Step 2: Convert to fraction form
    810,918/1,783,707.75 = 1,783,707.75/x
  3. Step 3: Cross multiply
    810,918x = 1,783,707.75 × 1,783,707.75
  4. Step 4: Simplify right side
    810,918x = 3,181,613,337,410.06
  5. Step 5: Solve for x
    x = 3,181,613,337,410.06/810,918
  6. Step 6: Final answer
    x = 3,923,471.10

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.