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Finding the Third Proportional to 169,722 and 372,060

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Solution

The third proportional to 169,722 and 372,060 is: 815,619.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,722 : 372,060 = 372,060 : x
  2. Step 2: Convert to fraction form
    169,722/372,060 = 372,060/x
  3. Step 3: Cross multiply
    169,722x = 372,060 × 372,060
  4. Step 4: Simplify right side
    169,722x = 138,428,643,600
  5. Step 5: Solve for x
    x = 138,428,643,600/169,722
  6. Step 6: Final answer
    x = 815,619.92

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.