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Finding the Third Proportional to 14,836 and 21,755

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Solution

The third proportional to 14,836 and 21,755 is: 31,900.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,836 : 21,755 = 21,755 : x
  2. Step 2: Convert to fraction form
    14,836/21,755 = 21,755/x
  3. Step 3: Cross multiply
    14,836x = 21,755 × 21,755
  4. Step 4: Simplify right side
    14,836x = 473,280,025
  5. Step 5: Solve for x
    x = 473,280,025/14,836
  6. Step 6: Final answer
    x = 31,900.78

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.