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Finding the Third Proportional to 56,146.50 and 122,694.75

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Solution

The third proportional to 56,146.50 and 122,694.75 is: 268,120.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,146.50 : 122,694.75 = 122,694.75 : x
  2. Step 2: Convert to fraction form
    56,146.50/122,694.75 = 122,694.75/x
  3. Step 3: Cross multiply
    56,146.50x = 122,694.75 × 122,694.75
  4. Step 4: Simplify right side
    56,146.50x = 15,054,001,677.56
  5. Step 5: Solve for x
    x = 15,054,001,677.56/56,146.50
  6. Step 6: Final answer
    x = 268,120.04

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.