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Finding the Third Proportional to 122,052 and 177,478

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Solution

The third proportional to 122,052 and 177,478 is: 258,073.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,052 : 177,478 = 177,478 : x
  2. Step 2: Convert to fraction form
    122,052/177,478 = 177,478/x
  3. Step 3: Cross multiply
    122,052x = 177,478 × 177,478
  4. Step 4: Simplify right side
    122,052x = 31,498,440,484
  5. Step 5: Solve for x
    x = 31,498,440,484/122,052
  6. Step 6: Final answer
    x = 258,073.94

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.