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Finding the Third Proportional to 194,808 and 311,202.75

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Solution

The third proportional to 194,808 and 311,202.75 is: 497,141.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,808 : 311,202.75 = 311,202.75 : x
  2. Step 2: Convert to fraction form
    194,808/311,202.75 = 311,202.75/x
  3. Step 3: Cross multiply
    194,808x = 311,202.75 × 311,202.75
  4. Step 4: Simplify right side
    194,808x = 96,847,151,607.56
  5. Step 5: Solve for x
    x = 96,847,151,607.56/194,808
  6. Step 6: Final answer
    x = 497,141.55

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.