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Finding the Third Proportional to 105,418 and 226,955

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Solution

The third proportional to 105,418 and 226,955 is: 488,612.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,418 : 226,955 = 226,955 : x
  2. Step 2: Convert to fraction form
    105,418/226,955 = 226,955/x
  3. Step 3: Cross multiply
    105,418x = 226,955 × 226,955
  4. Step 4: Simplify right side
    105,418x = 51,508,572,025
  5. Step 5: Solve for x
    x = 51,508,572,025/105,418
  6. Step 6: Final answer
    x = 488,612.68

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.