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Finding the Third Proportional to 30,398 and 43,125

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Solution

The third proportional to 30,398 and 43,125 is: 61,180.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,398 : 43,125 = 43,125 : x
  2. Step 2: Convert to fraction form
    30,398/43,125 = 43,125/x
  3. Step 3: Cross multiply
    30,398x = 43,125 × 43,125
  4. Step 4: Simplify right side
    30,398x = 1,859,765,625
  5. Step 5: Solve for x
    x = 1,859,765,625/30,398
  6. Step 6: Final answer
    x = 61,180.53

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.