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Finding the Third Proportional to 558,990 and 1,206,493.50

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Solution

The third proportional to 558,990 and 1,206,493.50 is: 2,604,029.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,990 : 1,206,493.50 = 1,206,493.50 : x
  2. Step 2: Convert to fraction form
    558,990/1,206,493.50 = 1,206,493.50/x
  3. Step 3: Cross multiply
    558,990x = 1,206,493.50 × 1,206,493.50
  4. Step 4: Simplify right side
    558,990x = 1,455,626,565,542.25
  5. Step 5: Solve for x
    x = 1,455,626,565,542.25/558,990
  6. Step 6: Final answer
    x = 2,604,029.71

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.