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Finding the Third Proportional to 55,290 and 119,253

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Solution

The third proportional to 55,290 and 119,253 is: 257,212.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,290 : 119,253 = 119,253 : x
  2. Step 2: Convert to fraction form
    55,290/119,253 = 119,253/x
  3. Step 3: Cross multiply
    55,290x = 119,253 × 119,253
  4. Step 4: Simplify right side
    55,290x = 14,221,278,009
  5. Step 5: Solve for x
    x = 14,221,278,009/55,290
  6. Step 6: Final answer
    x = 257,212.48

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.