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Finding the Third Proportional to 76,374 and 180,579

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Solution

The third proportional to 76,374 and 180,579 is: 426,961.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,374 : 180,579 = 180,579 : x
  2. Step 2: Convert to fraction form
    76,374/180,579 = 180,579/x
  3. Step 3: Cross multiply
    76,374x = 180,579 × 180,579
  4. Step 4: Simplify right side
    76,374x = 32,608,775,241
  5. Step 5: Solve for x
    x = 32,608,775,241/76,374
  6. Step 6: Final answer
    x = 426,961.73

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.