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Finding the Third Proportional to 56,190 and 120,717.75

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Solution

The third proportional to 56,190 and 120,717.75 is: 259,348.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,190 : 120,717.75 = 120,717.75 : x
  2. Step 2: Convert to fraction form
    56,190/120,717.75 = 120,717.75/x
  3. Step 3: Cross multiply
    56,190x = 120,717.75 × 120,717.75
  4. Step 4: Simplify right side
    56,190x = 14,572,775,165.06
  5. Step 5: Solve for x
    x = 14,572,775,165.06/56,190
  6. Step 6: Final answer
    x = 259,348.20

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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.