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Finding the Third Proportional to 683,403 and 1,086,138

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Solution

The third proportional to 683,403 and 1,086,138 is: 1,726,208.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,403 : 1,086,138 = 1,086,138 : x
  2. Step 2: Convert to fraction form
    683,403/1,086,138 = 1,086,138/x
  3. Step 3: Cross multiply
    683,403x = 1,086,138 × 1,086,138
  4. Step 4: Simplify right side
    683,403x = 1,179,695,755,044
  5. Step 5: Solve for x
    x = 1,179,695,755,044/683,403
  6. Step 6: Final answer
    x = 1,726,208.04

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.