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Finding the Third Proportional to 122,139 and 265,167

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Solution

The third proportional to 122,139 and 265,167 is: 575,684.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,139 : 265,167 = 265,167 : x
  2. Step 2: Convert to fraction form
    122,139/265,167 = 265,167/x
  3. Step 3: Cross multiply
    122,139x = 265,167 × 265,167
  4. Step 4: Simplify right side
    122,139x = 70,313,537,889
  5. Step 5: Solve for x
    x = 70,313,537,889/122,139
  6. Step 6: Final answer
    x = 575,684.57

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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.