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Finding the Third Proportional to 58,515.75 and 126,690.75

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Solution

The third proportional to 58,515.75 and 126,690.75 is: 274,294.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,515.75 : 126,690.75 = 126,690.75 : x
  2. Step 2: Convert to fraction form
    58,515.75/126,690.75 = 126,690.75/x
  3. Step 3: Cross multiply
    58,515.75x = 126,690.75 × 126,690.75
  4. Step 4: Simplify right side
    58,515.75x = 16,050,546,135.56
  5. Step 5: Solve for x
    x = 16,050,546,135.56/58,515.75
  6. Step 6: Final answer
    x = 274,294.46

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.