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Finding the Third Proportional to 173,991 and 369,306

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Solution

The third proportional to 173,991 and 369,306 is: 783,873.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,991 : 369,306 = 369,306 : x
  2. Step 2: Convert to fraction form
    173,991/369,306 = 369,306/x
  3. Step 3: Cross multiply
    173,991x = 369,306 × 369,306
  4. Step 4: Simplify right side
    173,991x = 136,386,921,636
  5. Step 5: Solve for x
    x = 136,386,921,636/173,991
  6. Step 6: Final answer
    x = 783,873.43

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.