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Finding the Third Proportional to 15,533 and 33,545

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Solution

The third proportional to 15,533 and 33,545 is: 72,443.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,533 : 33,545 = 33,545 : x
  2. Step 2: Convert to fraction form
    15,533/33,545 = 33,545/x
  3. Step 3: Cross multiply
    15,533x = 33,545 × 33,545
  4. Step 4: Simplify right side
    15,533x = 1,125,267,025
  5. Step 5: Solve for x
    x = 1,125,267,025/15,533
  6. Step 6: Final answer
    x = 72,443.64

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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.