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Finding the Third Proportional to 790,811 and 1,225,542

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Solution

The third proportional to 790,811 and 1,225,542 is: 1,899,256.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,811 : 1,225,542 = 1,225,542 : x
  2. Step 2: Convert to fraction form
    790,811/1,225,542 = 1,225,542/x
  3. Step 3: Cross multiply
    790,811x = 1,225,542 × 1,225,542
  4. Step 4: Simplify right side
    790,811x = 1,501,953,193,764
  5. Step 5: Solve for x
    x = 1,501,953,193,764/790,811
  6. Step 6: Final answer
    x = 1,899,256.83

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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.