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Finding the Third Proportional to 236,554 and 353,979

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Solution

The third proportional to 236,554 and 353,979 is: 529,693.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,554 : 353,979 = 353,979 : x
  2. Step 2: Convert to fraction form
    236,554/353,979 = 353,979/x
  3. Step 3: Cross multiply
    236,554x = 353,979 × 353,979
  4. Step 4: Simplify right side
    236,554x = 125,301,132,441
  5. Step 5: Solve for x
    x = 125,301,132,441/236,554
  6. Step 6: Final answer
    x = 529,693.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.