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Finding the Third Proportional to 76,190 and 114,213

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Solution

The third proportional to 76,190 and 114,213 is: 171,211.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,190 : 114,213 = 114,213 : x
  2. Step 2: Convert to fraction form
    76,190/114,213 = 114,213/x
  3. Step 3: Cross multiply
    76,190x = 114,213 × 114,213
  4. Step 4: Simplify right side
    76,190x = 13,044,609,369
  5. Step 5: Solve for x
    x = 13,044,609,369/76,190
  6. Step 6: Final answer
    x = 171,211.57

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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.