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Finding the Third Proportional to 76,423 and 167,609

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Solution

The third proportional to 76,423 and 167,609 is: 367,595.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,423 : 167,609 = 167,609 : x
  2. Step 2: Convert to fraction form
    76,423/167,609 = 167,609/x
  3. Step 3: Cross multiply
    76,423x = 167,609 × 167,609
  4. Step 4: Simplify right side
    76,423x = 28,092,776,881
  5. Step 5: Solve for x
    x = 28,092,776,881/76,423
  6. Step 6: Final answer
    x = 367,595.84

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.