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Finding the Third Proportional to 36,129 and 56,755.50

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Solution

The third proportional to 36,129 and 56,755.50 is: 89,157.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,129 : 56,755.50 = 56,755.50 : x
  2. Step 2: Convert to fraction form
    36,129/56,755.50 = 56,755.50/x
  3. Step 3: Cross multiply
    36,129x = 56,755.50 × 56,755.50
  4. Step 4: Simplify right side
    36,129x = 3,221,186,780.25
  5. Step 5: Solve for x
    x = 3,221,186,780.25/36,129
  6. Step 6: Final answer
    x = 89,157.93

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.