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Finding the Third Proportional to 76,610 and 114,999

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Solution

The third proportional to 76,610 and 114,999 is: 172,624.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,610 : 114,999 = 114,999 : x
  2. Step 2: Convert to fraction form
    76,610/114,999 = 114,999/x
  3. Step 3: Cross multiply
    76,610x = 114,999 × 114,999
  4. Step 4: Simplify right side
    76,610x = 13,224,770,001
  5. Step 5: Solve for x
    x = 13,224,770,001/76,610
  6. Step 6: Final answer
    x = 172,624.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.