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Finding the Third Proportional to 167,572 and 361,384

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Solution

The third proportional to 167,572 and 361,384 is: 779,356.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,572 : 361,384 = 361,384 : x
  2. Step 2: Convert to fraction form
    167,572/361,384 = 361,384/x
  3. Step 3: Cross multiply
    167,572x = 361,384 × 361,384
  4. Step 4: Simplify right side
    167,572x = 130,598,395,456
  5. Step 5: Solve for x
    x = 130,598,395,456/167,572
  6. Step 6: Final answer
    x = 779,356.91

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.