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Finding the Third Proportional to 15,632 and 18,960

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Solution

The third proportional to 15,632 and 18,960 is: 22,996.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,632 : 18,960 = 18,960 : x
  2. Step 2: Convert to fraction form
    15,632/18,960 = 18,960/x
  3. Step 3: Cross multiply
    15,632x = 18,960 × 18,960
  4. Step 4: Simplify right side
    15,632x = 359,481,600
  5. Step 5: Solve for x
    x = 359,481,600/15,632
  6. Step 6: Final answer
    x = 22,996.52

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.