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Finding the Third Proportional to 251,954 and 553,052

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Solution

The third proportional to 251,954 and 553,052 is: 1,213,977.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,954 : 553,052 = 553,052 : x
  2. Step 2: Convert to fraction form
    251,954/553,052 = 553,052/x
  3. Step 3: Cross multiply
    251,954x = 553,052 × 553,052
  4. Step 4: Simplify right side
    251,954x = 305,866,514,704
  5. Step 5: Solve for x
    x = 305,866,514,704/251,954
  6. Step 6: Final answer
    x = 1,213,977.61

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.