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Finding the Third Proportional to 1,229,313.38 and 1,861,123.50

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Solution

The third proportional to 1,229,313.38 and 1,861,123.50 is: 2,817,654.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,313.38 : 1,861,123.50 = 1,861,123.50 : x
  2. Step 2: Convert to fraction form
    1,229,313.38/1,861,123.50 = 1,861,123.50/x
  3. Step 3: Cross multiply
    1,229,313.38x = 1,861,123.50 × 1,861,123.50
  4. Step 4: Simplify right side
    1,229,313.38x = 3,463,780,682,252.25
  5. Step 5: Solve for x
    x = 3,463,780,682,252.25/1,229,313.38
  6. Step 6: Final answer
    x = 2,817,654.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.