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Finding the Third Proportional to 76,699 and 167,343

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Solution

The third proportional to 76,699 and 167,343 is: 365,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,699 : 167,343 = 167,343 : x
  2. Step 2: Convert to fraction form
    76,699/167,343 = 167,343/x
  3. Step 3: Cross multiply
    76,699x = 167,343 × 167,343
  4. Step 4: Simplify right side
    76,699x = 28,003,679,649
  5. Step 5: Solve for x
    x = 28,003,679,649/76,699
  6. Step 6: Final answer
    x = 365,111.40

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.