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Finding the Third Proportional to 255,163 and 554,660

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Solution

The third proportional to 255,163 and 554,660 is: 1,205,690.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,163 : 554,660 = 554,660 : x
  2. Step 2: Convert to fraction form
    255,163/554,660 = 554,660/x
  3. Step 3: Cross multiply
    255,163x = 554,660 × 554,660
  4. Step 4: Simplify right side
    255,163x = 307,647,715,600
  5. Step 5: Solve for x
    x = 307,647,715,600/255,163
  6. Step 6: Final answer
    x = 1,205,690.93

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.