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Finding the Third Proportional to 800,912.81 and 1,240,477.03

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Solution

The third proportional to 800,912.81 and 1,240,477.03 is: 1,921,286.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,912.81 : 1,240,477.03 = 1,240,477.03 : x
  2. Step 2: Convert to fraction form
    800,912.81/1,240,477.03 = 1,240,477.03/x
  3. Step 3: Cross multiply
    800,912.81x = 1,240,477.03 × 1,240,477.03
  4. Step 4: Simplify right side
    800,912.81x = 1,538,783,265,058.81
  5. Step 5: Solve for x
    x = 1,538,783,265,058.81/800,912.81
  6. Step 6: Final answer
    x = 1,921,286.86

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.