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Finding the Third Proportional to 30,475 and 47,093

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Solution

The third proportional to 30,475 and 47,093 is: 72,772.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,475 : 47,093 = 47,093 : x
  2. Step 2: Convert to fraction form
    30,475/47,093 = 47,093/x
  3. Step 3: Cross multiply
    30,475x = 47,093 × 47,093
  4. Step 4: Simplify right side
    30,475x = 2,217,750,649
  5. Step 5: Solve for x
    x = 2,217,750,649/30,475
  6. Step 6: Final answer
    x = 72,772.79

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.