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Finding the Third Proportional to 15,265.75 and 33,219.88

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Solution

The third proportional to 15,265.75 and 33,219.88 is: 72,289.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,265.75 : 33,219.88 = 33,219.88 : x
  2. Step 2: Convert to fraction form
    15,265.75/33,219.88 = 33,219.88/x
  3. Step 3: Cross multiply
    15,265.75x = 33,219.88 × 33,219.88
  4. Step 4: Simplify right side
    15,265.75x = 1,103,560,095.02
  5. Step 5: Solve for x
    x = 1,103,560,095.02/15,265.75
  6. Step 6: Final answer
    x = 72,289.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.