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Finding the Third Proportional to 871,620.75 and 1,888,008.75

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Solution

The third proportional to 871,620.75 and 1,888,008.75 is: 4,089,596.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,620.75 : 1,888,008.75 = 1,888,008.75 : x
  2. Step 2: Convert to fraction form
    871,620.75/1,888,008.75 = 1,888,008.75/x
  3. Step 3: Cross multiply
    871,620.75x = 1,888,008.75 × 1,888,008.75
  4. Step 4: Simplify right side
    871,620.75x = 3,564,577,040,076.56
  5. Step 5: Solve for x
    x = 3,564,577,040,076.56/871,620.75
  6. Step 6: Final answer
    x = 4,089,596.35

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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.