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Finding the Third Proportional to 116,861 and 255,957

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Solution

The third proportional to 116,861 and 255,957 is: 560,614.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,861 : 255,957 = 255,957 : x
  2. Step 2: Convert to fraction form
    116,861/255,957 = 255,957/x
  3. Step 3: Cross multiply
    116,861x = 255,957 × 255,957
  4. Step 4: Simplify right side
    116,861x = 65,513,985,849
  5. Step 5: Solve for x
    x = 65,513,985,849/116,861
  6. Step 6: Final answer
    x = 560,614.63

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.