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Finding the Third Proportional to 56,422 and 133,674

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Solution

The third proportional to 56,422 and 133,674 is: 316,698.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,422 : 133,674 = 133,674 : x
  2. Step 2: Convert to fraction form
    56,422/133,674 = 133,674/x
  3. Step 3: Cross multiply
    56,422x = 133,674 × 133,674
  4. Step 4: Simplify right side
    56,422x = 17,868,738,276
  5. Step 5: Solve for x
    x = 17,868,738,276/56,422
  6. Step 6: Final answer
    x = 316,698.07

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Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.