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Finding the Third Proportional to 512,855 and 1,122,226

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Solution

The third proportional to 512,855 and 1,122,226 is: 2,455,647.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,855 : 1,122,226 = 1,122,226 : x
  2. Step 2: Convert to fraction form
    512,855/1,122,226 = 1,122,226/x
  3. Step 3: Cross multiply
    512,855x = 1,122,226 × 1,122,226
  4. Step 4: Simplify right side
    512,855x = 1,259,391,195,076
  5. Step 5: Solve for x
    x = 1,259,391,195,076/512,855
  6. Step 6: Final answer
    x = 2,455,647.69

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.