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Finding the Third Proportional to 135,958.50 and 293,787

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Solution

The third proportional to 135,958.50 and 293,787 is: 634,831.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,958.50 : 293,787 = 293,787 : x
  2. Step 2: Convert to fraction form
    135,958.50/293,787 = 293,787/x
  3. Step 3: Cross multiply
    135,958.50x = 293,787 × 293,787
  4. Step 4: Simplify right side
    135,958.50x = 86,310,801,369
  5. Step 5: Solve for x
    x = 86,310,801,369/135,958.50
  6. Step 6: Final answer
    x = 634,831.96

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.