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Finding the Third Proportional to 14,989 and 21,592

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Solution

The third proportional to 14,989 and 21,592 is: 31,103.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,989 : 21,592 = 21,592 : x
  2. Step 2: Convert to fraction form
    14,989/21,592 = 21,592/x
  3. Step 3: Cross multiply
    14,989x = 21,592 × 21,592
  4. Step 4: Simplify right side
    14,989x = 466,214,464
  5. Step 5: Solve for x
    x = 466,214,464/14,989
  6. Step 6: Final answer
    x = 31,103.77

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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.