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Finding the Third Proportional to 858,960 and 1,831,671

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Solution

The third proportional to 858,960 and 1,831,671 is: 3,905,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,960 : 1,831,671 = 1,831,671 : x
  2. Step 2: Convert to fraction form
    858,960/1,831,671 = 1,831,671/x
  3. Step 3: Cross multiply
    858,960x = 1,831,671 × 1,831,671
  4. Step 4: Simplify right side
    858,960x = 3,355,018,652,241
  5. Step 5: Solve for x
    x = 3,355,018,652,241/858,960
  6. Step 6: Final answer
    x = 3,905,907.90

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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.