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Finding the Third Proportional to 171,640 and 373,791

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Solution

The third proportional to 171,640 and 373,791 is: 814,027.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,640 : 373,791 = 373,791 : x
  2. Step 2: Convert to fraction form
    171,640/373,791 = 373,791/x
  3. Step 3: Cross multiply
    171,640x = 373,791 × 373,791
  4. Step 4: Simplify right side
    171,640x = 139,719,711,681
  5. Step 5: Solve for x
    x = 139,719,711,681/171,640
  6. Step 6: Final answer
    x = 814,027.68

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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.