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Finding the Third Proportional to 13,833 and 19,764

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Solution

The third proportional to 13,833 and 19,764 is: 28,237.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,833 : 19,764 = 19,764 : x
  2. Step 2: Convert to fraction form
    13,833/19,764 = 19,764/x
  3. Step 3: Cross multiply
    13,833x = 19,764 × 19,764
  4. Step 4: Simplify right side
    13,833x = 390,615,696
  5. Step 5: Solve for x
    x = 390,615,696/13,833
  6. Step 6: Final answer
    x = 28,237.96

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.