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Finding the Third Proportional to 116,872 and 255,858

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Solution

The third proportional to 116,872 and 255,858 is: 560,128.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,872 : 255,858 = 255,858 : x
  2. Step 2: Convert to fraction form
    116,872/255,858 = 255,858/x
  3. Step 3: Cross multiply
    116,872x = 255,858 × 255,858
  4. Step 4: Simplify right side
    116,872x = 65,463,316,164
  5. Step 5: Solve for x
    x = 65,463,316,164/116,872
  6. Step 6: Final answer
    x = 560,128.31

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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.