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Finding the Third Proportional to 76,959 and 118,212.75

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Solution

The third proportional to 76,959 and 118,212.75 is: 181,580.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,959 : 118,212.75 = 118,212.75 : x
  2. Step 2: Convert to fraction form
    76,959/118,212.75 = 118,212.75/x
  3. Step 3: Cross multiply
    76,959x = 118,212.75 × 118,212.75
  4. Step 4: Simplify right side
    76,959x = 13,974,254,262.56
  5. Step 5: Solve for x
    x = 13,974,254,262.56/76,959
  6. Step 6: Final answer
    x = 181,580.51

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.