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Finding the Third Proportional to 76,702 and 116,242

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Solution

The third proportional to 76,702 and 116,242 is: 176,164.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,702 : 116,242 = 116,242 : x
  2. Step 2: Convert to fraction form
    76,702/116,242 = 116,242/x
  3. Step 3: Cross multiply
    76,702x = 116,242 × 116,242
  4. Step 4: Simplify right side
    76,702x = 13,512,202,564
  5. Step 5: Solve for x
    x = 13,512,202,564/76,702
  6. Step 6: Final answer
    x = 176,164.93

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.