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Finding the Third Proportional to 260,527.50 and 389,697

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Solution

The third proportional to 260,527.50 and 389,697 is: 582,908.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,527.50 : 389,697 = 389,697 : x
  2. Step 2: Convert to fraction form
    260,527.50/389,697 = 389,697/x
  3. Step 3: Cross multiply
    260,527.50x = 389,697 × 389,697
  4. Step 4: Simplify right side
    260,527.50x = 151,863,751,809
  5. Step 5: Solve for x
    x = 151,863,751,809/260,527.50
  6. Step 6: Final answer
    x = 582,908.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.