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Finding the Third Proportional to 76,362.75 and 180,549

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Solution

The third proportional to 76,362.75 and 180,549 is: 426,882.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,362.75 : 180,549 = 180,549 : x
  2. Step 2: Convert to fraction form
    76,362.75/180,549 = 180,549/x
  3. Step 3: Cross multiply
    76,362.75x = 180,549 × 180,549
  4. Step 4: Simplify right side
    76,362.75x = 32,597,941,401
  5. Step 5: Solve for x
    x = 32,597,941,401/76,362.75
  6. Step 6: Final answer
    x = 426,882.76

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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.