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Finding the Third Proportional to 236,760 and 520,176

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Solution

The third proportional to 236,760 and 520,176 is: 1,142,858.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,760 : 520,176 = 520,176 : x
  2. Step 2: Convert to fraction form
    236,760/520,176 = 520,176/x
  3. Step 3: Cross multiply
    236,760x = 520,176 × 520,176
  4. Step 4: Simplify right side
    236,760x = 270,583,070,976
  5. Step 5: Solve for x
    x = 270,583,070,976/236,760
  6. Step 6: Final answer
    x = 1,142,858.05

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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.