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Finding the Third Proportional to 56,360 and 133,285

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Solution

The third proportional to 56,360 and 133,285 is: 315,203.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,360 : 133,285 = 133,285 : x
  2. Step 2: Convert to fraction form
    56,360/133,285 = 133,285/x
  3. Step 3: Cross multiply
    56,360x = 133,285 × 133,285
  4. Step 4: Simplify right side
    56,360x = 17,764,891,225
  5. Step 5: Solve for x
    x = 17,764,891,225/56,360
  6. Step 6: Final answer
    x = 315,203.89

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.