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Finding the Third Proportional to 15,889 and 33,929

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Solution

The third proportional to 15,889 and 33,929 is: 72,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,889 : 33,929 = 33,929 : x
  2. Step 2: Convert to fraction form
    15,889/33,929 = 33,929/x
  3. Step 3: Cross multiply
    15,889x = 33,929 × 33,929
  4. Step 4: Simplify right side
    15,889x = 1,151,177,041
  5. Step 5: Solve for x
    x = 1,151,177,041/15,889
  6. Step 6: Final answer
    x = 72,451.20

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.