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Finding the Third Proportional to 558,987 and 1,206,486.38

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Solution

The third proportional to 558,987 and 1,206,486.38 is: 2,604,012.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,987 : 1,206,486.38 = 1,206,486.38 : x
  2. Step 2: Convert to fraction form
    558,987/1,206,486.38 = 1,206,486.38/x
  3. Step 3: Cross multiply
    558,987x = 1,206,486.38 × 1,206,486.38
  4. Step 4: Simplify right side
    558,987x = 1,455,609,373,060.64
  5. Step 5: Solve for x
    x = 1,455,609,373,060.64/558,987
  6. Step 6: Final answer
    x = 2,604,012.93

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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.