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Finding the Third Proportional to 10,272 and 14,842

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Solution

The third proportional to 10,272 and 14,842 is: 21,445.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272 : 14,842 = 14,842 : x
  2. Step 2: Convert to fraction form
    10,272/14,842 = 14,842/x
  3. Step 3: Cross multiply
    10,272x = 14,842 × 14,842
  4. Step 4: Simplify right side
    10,272x = 220,284,964
  5. Step 5: Solve for x
    x = 220,284,964/10,272
  6. Step 6: Final answer
    x = 21,445.19

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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.