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Finding the Third Proportional to 36,018.75 and 77,586

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Solution

The third proportional to 36,018.75 and 77,586 is: 167,123.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,018.75 : 77,586 = 77,586 : x
  2. Step 2: Convert to fraction form
    36,018.75/77,586 = 77,586/x
  3. Step 3: Cross multiply
    36,018.75x = 77,586 × 77,586
  4. Step 4: Simplify right side
    36,018.75x = 6,019,587,396
  5. Step 5: Solve for x
    x = 6,019,587,396/36,018.75
  6. Step 6: Final answer
    x = 167,123.72

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.