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Finding the Third Proportional to 155,566 and 336,039

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Solution

The third proportional to 155,566 and 336,039 is: 725,879.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,566 : 336,039 = 336,039 : x
  2. Step 2: Convert to fraction form
    155,566/336,039 = 336,039/x
  3. Step 3: Cross multiply
    155,566x = 336,039 × 336,039
  4. Step 4: Simplify right side
    155,566x = 112,922,209,521
  5. Step 5: Solve for x
    x = 112,922,209,521/155,566
  6. Step 6: Final answer
    x = 725,879.75

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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.