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Finding the Third Proportional to 51,783 and 113,259

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Solution

The third proportional to 51,783 and 113,259 is: 247,718.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,783 : 113,259 = 113,259 : x
  2. Step 2: Convert to fraction form
    51,783/113,259 = 113,259/x
  3. Step 3: Cross multiply
    51,783x = 113,259 × 113,259
  4. Step 4: Simplify right side
    51,783x = 12,827,601,081
  5. Step 5: Solve for x
    x = 12,827,601,081/51,783
  6. Step 6: Final answer
    x = 247,718.38

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.