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Finding the Third Proportional to 174,690 and 261,765

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Solution

The third proportional to 174,690 and 261,765 is: 392,242.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,690 : 261,765 = 261,765 : x
  2. Step 2: Convert to fraction form
    174,690/261,765 = 261,765/x
  3. Step 3: Cross multiply
    174,690x = 261,765 × 261,765
  4. Step 4: Simplify right side
    174,690x = 68,520,915,225
  5. Step 5: Solve for x
    x = 68,520,915,225/174,690
  6. Step 6: Final answer
    x = 392,242.92

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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.