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Finding the Third Proportional to 169,872.19 and 369,634.22

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Solution

The third proportional to 169,872.19 and 369,634.22 is: 804,307.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,872.19 : 369,634.22 = 369,634.22 : x
  2. Step 2: Convert to fraction form
    169,872.19/369,634.22 = 369,634.22/x
  3. Step 3: Cross multiply
    169,872.19x = 369,634.22 × 369,634.22
  4. Step 4: Simplify right side
    169,872.19x = 136,629,455,670.92
  5. Step 5: Solve for x
    x = 136,629,455,670.92/169,872.19
  6. Step 6: Final answer
    x = 804,307.39

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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.