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Finding the Third Proportional to 317,404.50 and 430,589.25

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Solution

The third proportional to 317,404.50 and 430,589.25 is: 584,135.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,404.50 : 430,589.25 = 430,589.25 : x
  2. Step 2: Convert to fraction form
    317,404.50/430,589.25 = 430,589.25/x
  3. Step 3: Cross multiply
    317,404.50x = 430,589.25 × 430,589.25
  4. Step 4: Simplify right side
    317,404.50x = 185,407,102,215.56
  5. Step 5: Solve for x
    x = 185,407,102,215.56/317,404.50
  6. Step 6: Final answer
    x = 584,135.08

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.