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Finding the Third Proportional to 553,194 and 854,355

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Solution

The third proportional to 553,194 and 854,355 is: 1,319,469.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,194 : 854,355 = 854,355 : x
  2. Step 2: Convert to fraction form
    553,194/854,355 = 854,355/x
  3. Step 3: Cross multiply
    553,194x = 854,355 × 854,355
  4. Step 4: Simplify right side
    553,194x = 729,922,466,025
  5. Step 5: Solve for x
    x = 729,922,466,025/553,194
  6. Step 6: Final answer
    x = 1,319,469.24

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.