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Finding the Third Proportional to 113,488 and 171,811

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Solution

The third proportional to 113,488 and 171,811 is: 260,106.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,488 : 171,811 = 171,811 : x
  2. Step 2: Convert to fraction form
    113,488/171,811 = 171,811/x
  3. Step 3: Cross multiply
    113,488x = 171,811 × 171,811
  4. Step 4: Simplify right side
    113,488x = 29,519,019,721
  5. Step 5: Solve for x
    x = 29,519,019,721/113,488
  6. Step 6: Final answer
    x = 260,106.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.