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Finding the Third Proportional to 55,210 and 119,164

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Solution

The third proportional to 55,210 and 119,164 is: 257,200.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,210 : 119,164 = 119,164 : x
  2. Step 2: Convert to fraction form
    55,210/119,164 = 119,164/x
  3. Step 3: Cross multiply
    55,210x = 119,164 × 119,164
  4. Step 4: Simplify right side
    55,210x = 14,200,058,896
  5. Step 5: Solve for x
    x = 14,200,058,896/55,210
  6. Step 6: Final answer
    x = 257,200.85

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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.