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Finding the Third Proportional to 30,614 and 65,893

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Solution

The third proportional to 30,614 and 65,893 is: 141,826.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,614 : 65,893 = 65,893 : x
  2. Step 2: Convert to fraction form
    30,614/65,893 = 65,893/x
  3. Step 3: Cross multiply
    30,614x = 65,893 × 65,893
  4. Step 4: Simplify right side
    30,614x = 4,341,887,449
  5. Step 5: Solve for x
    x = 4,341,887,449/30,614
  6. Step 6: Final answer
    x = 141,826.86

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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.