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Finding the Third Proportional to 106,220 and 231,763

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Solution

The third proportional to 106,220 and 231,763 is: 505,687.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,220 : 231,763 = 231,763 : x
  2. Step 2: Convert to fraction form
    106,220/231,763 = 231,763/x
  3. Step 3: Cross multiply
    106,220x = 231,763 × 231,763
  4. Step 4: Simplify right side
    106,220x = 53,714,088,169
  5. Step 5: Solve for x
    x = 53,714,088,169/106,220
  6. Step 6: Final answer
    x = 505,687.14

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.