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Finding the Third Proportional to 14,425 and 31,477

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Solution

The third proportional to 14,425 and 31,477 is: 68,686.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,425 : 31,477 = 31,477 : x
  2. Step 2: Convert to fraction form
    14,425/31,477 = 31,477/x
  3. Step 3: Cross multiply
    14,425x = 31,477 × 31,477
  4. Step 4: Simplify right side
    14,425x = 990,801,529
  5. Step 5: Solve for x
    x = 990,801,529/14,425
  6. Step 6: Final answer
    x = 68,686.41

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.