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Finding the Third Proportional to 76,323 and 118,170

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Solution

The third proportional to 76,323 and 118,170 is: 182,961.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,323 : 118,170 = 118,170 : x
  2. Step 2: Convert to fraction form
    76,323/118,170 = 118,170/x
  3. Step 3: Cross multiply
    76,323x = 118,170 × 118,170
  4. Step 4: Simplify right side
    76,323x = 13,964,148,900
  5. Step 5: Solve for x
    x = 13,964,148,900/76,323
  6. Step 6: Final answer
    x = 182,961.22

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.