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Finding the Third Proportional to 14,876 and 21,495

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Solution

The third proportional to 14,876 and 21,495 is: 31,059.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,876 : 21,495 = 21,495 : x
  2. Step 2: Convert to fraction form
    14,876/21,495 = 21,495/x
  3. Step 3: Cross multiply
    14,876x = 21,495 × 21,495
  4. Step 4: Simplify right side
    14,876x = 462,035,025
  5. Step 5: Solve for x
    x = 462,035,025/14,876
  6. Step 6: Final answer
    x = 31,059.09

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.