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Finding the Third Proportional to 251,061 and 553,050

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Solution

The third proportional to 251,061 and 553,050 is: 1,218,286.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,061 : 553,050 = 553,050 : x
  2. Step 2: Convert to fraction form
    251,061/553,050 = 553,050/x
  3. Step 3: Cross multiply
    251,061x = 553,050 × 553,050
  4. Step 4: Simplify right side
    251,061x = 305,864,302,500
  5. Step 5: Solve for x
    x = 305,864,302,500/251,061
  6. Step 6: Final answer
    x = 1,218,286.80

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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.