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Finding the Third Proportional to 76,731 and 167,646

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Solution

The third proportional to 76,731 and 167,646 is: 366,281.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,731 : 167,646 = 167,646 : x
  2. Step 2: Convert to fraction form
    76,731/167,646 = 167,646/x
  3. Step 3: Cross multiply
    76,731x = 167,646 × 167,646
  4. Step 4: Simplify right side
    76,731x = 28,105,181,316
  5. Step 5: Solve for x
    x = 28,105,181,316/76,731
  6. Step 6: Final answer
    x = 366,281.96

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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.