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Finding the Third Proportional to 871,276.50 and 1,876,020.75

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Solution

The third proportional to 871,276.50 and 1,876,020.75 is: 4,039,422.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,276.50 : 1,876,020.75 = 1,876,020.75 : x
  2. Step 2: Convert to fraction form
    871,276.50/1,876,020.75 = 1,876,020.75/x
  3. Step 3: Cross multiply
    871,276.50x = 1,876,020.75 × 1,876,020.75
  4. Step 4: Simplify right side
    871,276.50x = 3,519,453,854,430.56
  5. Step 5: Solve for x
    x = 3,519,453,854,430.56/871,276.50
  6. Step 6: Final answer
    x = 4,039,422.45

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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.