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Finding the Third Proportional to 858,975 and 1,831,701

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Solution

The third proportional to 858,975 and 1,831,701 is: 3,905,967.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,975 : 1,831,701 = 1,831,701 : x
  2. Step 2: Convert to fraction form
    858,975/1,831,701 = 1,831,701/x
  3. Step 3: Cross multiply
    858,975x = 1,831,701 × 1,831,701
  4. Step 4: Simplify right side
    858,975x = 3,355,128,553,401
  5. Step 5: Solve for x
    x = 3,355,128,553,401/858,975
  6. Step 6: Final answer
    x = 3,905,967.64

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.