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Finding the Third Proportional to 171,640 and 373,793

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Solution

The third proportional to 171,640 and 373,793 is: 814,036.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,640 : 373,793 = 373,793 : x
  2. Step 2: Convert to fraction form
    171,640/373,793 = 373,793/x
  3. Step 3: Cross multiply
    171,640x = 373,793 × 373,793
  4. Step 4: Simplify right side
    171,640x = 139,721,206,849
  5. Step 5: Solve for x
    x = 139,721,206,849/171,640
  6. Step 6: Final answer
    x = 814,036.40

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.