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Finding the Third Proportional to 174,566 and 266,922

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Solution

The third proportional to 174,566 and 266,922 is: 408,139.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,566 : 266,922 = 266,922 : x
  2. Step 2: Convert to fraction form
    174,566/266,922 = 266,922/x
  3. Step 3: Cross multiply
    174,566x = 266,922 × 266,922
  4. Step 4: Simplify right side
    174,566x = 71,247,354,084
  5. Step 5: Solve for x
    x = 71,247,354,084/174,566
  6. Step 6: Final answer
    x = 408,139.92

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.