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Finding the Third Proportional to 831,170.50 and 1,817,861

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Solution

The third proportional to 831,170.50 and 1,817,861 is: 3,975,861.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,170.50 : 1,817,861 = 1,817,861 : x
  2. Step 2: Convert to fraction form
    831,170.50/1,817,861 = 1,817,861/x
  3. Step 3: Cross multiply
    831,170.50x = 1,817,861 × 1,817,861
  4. Step 4: Simplify right side
    831,170.50x = 3,304,618,615,321
  5. Step 5: Solve for x
    x = 3,304,618,615,321/831,170.50
  6. Step 6: Final answer
    x = 3,975,861.29

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.