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Finding the Third Proportional to 142,063.88 and 236,742.75

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Solution

The third proportional to 142,063.88 and 236,742.75 is: 394,520.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,063.88 : 236,742.75 = 236,742.75 : x
  2. Step 2: Convert to fraction form
    142,063.88/236,742.75 = 236,742.75/x
  3. Step 3: Cross multiply
    142,063.88x = 236,742.75 × 236,742.75
  4. Step 4: Simplify right side
    142,063.88x = 56,047,129,677.56
  5. Step 5: Solve for x
    x = 56,047,129,677.56/142,063.88
  6. Step 6: Final answer
    x = 394,520.63

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.