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Finding the Third Proportional to 15,292 and 33,590

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Solution

The third proportional to 15,292 and 33,590 is: 73,782.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,292 : 33,590 = 33,590 : x
  2. Step 2: Convert to fraction form
    15,292/33,590 = 33,590/x
  3. Step 3: Cross multiply
    15,292x = 33,590 × 33,590
  4. Step 4: Simplify right side
    15,292x = 1,128,288,100
  5. Step 5: Solve for x
    x = 1,128,288,100/15,292
  6. Step 6: Final answer
    x = 73,782.90

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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.