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Finding the Third Proportional to 53,512 and 80,260

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Solution

The third proportional to 53,512 and 80,260 is: 120,378.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,512 : 80,260 = 80,260 : x
  2. Step 2: Convert to fraction form
    53,512/80,260 = 80,260/x
  3. Step 3: Cross multiply
    53,512x = 80,260 × 80,260
  4. Step 4: Simplify right side
    53,512x = 6,441,667,600
  5. Step 5: Solve for x
    x = 6,441,667,600/53,512
  6. Step 6: Final answer
    x = 120,378.00

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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.