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Finding the Third Proportional to 254,704.50 and 392,748.75

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Solution

The third proportional to 254,704.50 and 392,748.75 is: 605,609.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,704.50 : 392,748.75 = 392,748.75 : x
  2. Step 2: Convert to fraction form
    254,704.50/392,748.75 = 392,748.75/x
  3. Step 3: Cross multiply
    254,704.50x = 392,748.75 × 392,748.75
  4. Step 4: Simplify right side
    254,704.50x = 154,251,580,626.56
  5. Step 5: Solve for x
    x = 154,251,580,626.56/254,704.50
  6. Step 6: Final answer
    x = 605,609.95

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.