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Finding the Third Proportional to 50,220 and 109,178

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Solution

The third proportional to 50,220 and 109,178 is: 237,352.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,220 : 109,178 = 109,178 : x
  2. Step 2: Convert to fraction form
    50,220/109,178 = 109,178/x
  3. Step 3: Cross multiply
    50,220x = 109,178 × 109,178
  4. Step 4: Simplify right side
    50,220x = 11,919,835,684
  5. Step 5: Solve for x
    x = 11,919,835,684/50,220
  6. Step 6: Final answer
    x = 237,352.36

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.