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Finding the Third Proportional to 33,468 and 66,090

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Solution

The third proportional to 33,468 and 66,090 is: 130,509.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,468 : 66,090 = 66,090 : x
  2. Step 2: Convert to fraction form
    33,468/66,090 = 66,090/x
  3. Step 3: Cross multiply
    33,468x = 66,090 × 66,090
  4. Step 4: Simplify right side
    33,468x = 4,367,888,100
  5. Step 5: Solve for x
    x = 4,367,888,100/33,468
  6. Step 6: Final answer
    x = 130,509.39

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.