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Finding the Third Proportional to 15,374.25 and 33,786

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Solution

The third proportional to 15,374.25 and 33,786 is: 74,247.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,374.25 : 33,786 = 33,786 : x
  2. Step 2: Convert to fraction form
    15,374.25/33,786 = 33,786/x
  3. Step 3: Cross multiply
    15,374.25x = 33,786 × 33,786
  4. Step 4: Simplify right side
    15,374.25x = 1,141,493,796
  5. Step 5: Solve for x
    x = 1,141,493,796/15,374.25
  6. Step 6: Final answer
    x = 74,247.12

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.