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Finding the Third Proportional to 54,910 and 118,370

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Solution

The third proportional to 54,910 and 118,370 is: 255,171.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,910 : 118,370 = 118,370 : x
  2. Step 2: Convert to fraction form
    54,910/118,370 = 118,370/x
  3. Step 3: Cross multiply
    54,910x = 118,370 × 118,370
  4. Step 4: Simplify right side
    54,910x = 14,011,456,900
  5. Step 5: Solve for x
    x = 14,011,456,900/54,910
  6. Step 6: Final answer
    x = 255,171.31

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.