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Finding the Third Proportional to 149,164 and 208,554

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Solution

The third proportional to 149,164 and 208,554 is: 291,590.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,164 : 208,554 = 208,554 : x
  2. Step 2: Convert to fraction form
    149,164/208,554 = 208,554/x
  3. Step 3: Cross multiply
    149,164x = 208,554 × 208,554
  4. Step 4: Simplify right side
    149,164x = 43,494,770,916
  5. Step 5: Solve for x
    x = 43,494,770,916/149,164
  6. Step 6: Final answer
    x = 291,590.27

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.