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Finding the Third Proportional to 30,470 and 40,593

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Solution

The third proportional to 30,470 and 40,593 is: 54,079.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,470 : 40,593 = 40,593 : x
  2. Step 2: Convert to fraction form
    30,470/40,593 = 40,593/x
  3. Step 3: Cross multiply
    30,470x = 40,593 × 40,593
  4. Step 4: Simplify right side
    30,470x = 1,647,791,649
  5. Step 5: Solve for x
    x = 1,647,791,649/30,470
  6. Step 6: Final answer
    x = 54,079.15

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.