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Finding the Third Proportional to 122,211 and 265,158

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Solution

The third proportional to 122,211 and 265,158 is: 575,306.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,211 : 265,158 = 265,158 : x
  2. Step 2: Convert to fraction form
    122,211/265,158 = 265,158/x
  3. Step 3: Cross multiply
    122,211x = 265,158 × 265,158
  4. Step 4: Simplify right side
    122,211x = 70,308,764,964
  5. Step 5: Solve for x
    x = 70,308,764,964/122,211
  6. Step 6: Final answer
    x = 575,306.36

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.