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Finding the Third Proportional to 15,583 and 33,380

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Solution

The third proportional to 15,583 and 33,380 is: 71,502.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,583 : 33,380 = 33,380 : x
  2. Step 2: Convert to fraction form
    15,583/33,380 = 33,380/x
  3. Step 3: Cross multiply
    15,583x = 33,380 × 33,380
  4. Step 4: Simplify right side
    15,583x = 1,114,224,400
  5. Step 5: Solve for x
    x = 1,114,224,400/15,583
  6. Step 6: Final answer
    x = 71,502.56

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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.