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Finding the Third Proportional to 35,649 and 76,725

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Solution

The third proportional to 35,649 and 76,725 is: 165,130.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,649 : 76,725 = 76,725 : x
  2. Step 2: Convert to fraction form
    35,649/76,725 = 76,725/x
  3. Step 3: Cross multiply
    35,649x = 76,725 × 76,725
  4. Step 4: Simplify right side
    35,649x = 5,886,725,625
  5. Step 5: Solve for x
    x = 5,886,725,625/35,649
  6. Step 6: Final answer
    x = 165,130.18

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.