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Finding the Third Proportional to 871,812 and 1,877,213.25

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Solution

The third proportional to 871,812 and 1,877,213.25 is: 4,042,075.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,812 : 1,877,213.25 = 1,877,213.25 : x
  2. Step 2: Convert to fraction form
    871,812/1,877,213.25 = 1,877,213.25/x
  3. Step 3: Cross multiply
    871,812x = 1,877,213.25 × 1,877,213.25
  4. Step 4: Simplify right side
    871,812x = 3,523,929,585,975.56
  5. Step 5: Solve for x
    x = 3,523,929,585,975.56/871,812
  6. Step 6: Final answer
    x = 4,042,075.11

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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.