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Finding the Third Proportional to 15,455.50 and 33,374.75

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Solution

The third proportional to 15,455.50 and 33,374.75 is: 72,069.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455.50 : 33,374.75 = 33,374.75 : x
  2. Step 2: Convert to fraction form
    15,455.50/33,374.75 = 33,374.75/x
  3. Step 3: Cross multiply
    15,455.50x = 33,374.75 × 33,374.75
  4. Step 4: Simplify right side
    15,455.50x = 1,113,873,937.56
  5. Step 5: Solve for x
    x = 1,113,873,937.56/15,455.50
  6. Step 6: Final answer
    x = 72,069.74

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.