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Finding the Third Proportional to 50,420 and 75,614

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Solution

The third proportional to 50,420 and 75,614 is: 113,397.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,420 : 75,614 = 75,614 : x
  2. Step 2: Convert to fraction form
    50,420/75,614 = 75,614/x
  3. Step 3: Cross multiply
    50,420x = 75,614 × 75,614
  4. Step 4: Simplify right side
    50,420x = 5,717,476,996
  5. Step 5: Solve for x
    x = 5,717,476,996/50,420
  6. Step 6: Final answer
    x = 113,397.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.