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Finding the Third Proportional to 831,813 and 1,703,043

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Solution

The third proportional to 831,813 and 1,703,043 is: 3,486,787.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,813 : 1,703,043 = 1,703,043 : x
  2. Step 2: Convert to fraction form
    831,813/1,703,043 = 1,703,043/x
  3. Step 3: Cross multiply
    831,813x = 1,703,043 × 1,703,043
  4. Step 4: Simplify right side
    831,813x = 2,900,355,459,849
  5. Step 5: Solve for x
    x = 2,900,355,459,849/831,813
  6. Step 6: Final answer
    x = 3,486,787.85

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.