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Finding the Third Proportional to 207,630 and 272,625.75

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Solution

The third proportional to 207,630 and 272,625.75 is: 357,967.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,630 : 272,625.75 = 272,625.75 : x
  2. Step 2: Convert to fraction form
    207,630/272,625.75 = 272,625.75/x
  3. Step 3: Cross multiply
    207,630x = 272,625.75 × 272,625.75
  4. Step 4: Simplify right side
    207,630x = 74,324,799,563.06
  5. Step 5: Solve for x
    x = 74,324,799,563.06/207,630
  6. Step 6: Final answer
    x = 357,967.54

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.