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Finding the Third Proportional to 669,942.75 and 1,460,143.50

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Solution

The third proportional to 669,942.75 and 1,460,143.50 is: 3,182,389.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,942.75 : 1,460,143.50 = 1,460,143.50 : x
  2. Step 2: Convert to fraction form
    669,942.75/1,460,143.50 = 1,460,143.50/x
  3. Step 3: Cross multiply
    669,942.75x = 1,460,143.50 × 1,460,143.50
  4. Step 4: Simplify right side
    669,942.75x = 2,132,019,040,592.25
  5. Step 5: Solve for x
    x = 2,132,019,040,592.25/669,942.75
  6. Step 6: Final answer
    x = 3,182,389.90

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.