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Finding the Third Proportional to 79,544.50 and 175,649

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Solution

The third proportional to 79,544.50 and 175,649 is: 387,865.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,544.50 : 175,649 = 175,649 : x
  2. Step 2: Convert to fraction form
    79,544.50/175,649 = 175,649/x
  3. Step 3: Cross multiply
    79,544.50x = 175,649 × 175,649
  4. Step 4: Simplify right side
    79,544.50x = 30,852,571,201
  5. Step 5: Solve for x
    x = 30,852,571,201/79,544.50
  6. Step 6: Final answer
    x = 387,865.55

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.