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Finding the Third Proportional to 174,914 and 262,318

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Solution

The third proportional to 174,914 and 262,318 is: 393,397.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,914 : 262,318 = 262,318 : x
  2. Step 2: Convert to fraction form
    174,914/262,318 = 262,318/x
  3. Step 3: Cross multiply
    174,914x = 262,318 × 262,318
  4. Step 4: Simplify right side
    174,914x = 68,810,733,124
  5. Step 5: Solve for x
    x = 68,810,733,124/174,914
  6. Step 6: Final answer
    x = 393,397.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.