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Finding the Third Proportional to 178,434 and 260,952.75

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Solution

The third proportional to 178,434 and 260,952.75 is: 381,633.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,434 : 260,952.75 = 260,952.75 : x
  2. Step 2: Convert to fraction form
    178,434/260,952.75 = 260,952.75/x
  3. Step 3: Cross multiply
    178,434x = 260,952.75 × 260,952.75
  4. Step 4: Simplify right side
    178,434x = 68,096,337,732.56
  5. Step 5: Solve for x
    x = 68,096,337,732.56/178,434
  6. Step 6: Final answer
    x = 381,633.20

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.