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Finding the Third Proportional to 165,679 and 259,179

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Solution

The third proportional to 165,679 and 259,179 is: 405,445.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,679 : 259,179 = 259,179 : x
  2. Step 2: Convert to fraction form
    165,679/259,179 = 259,179/x
  3. Step 3: Cross multiply
    165,679x = 259,179 × 259,179
  4. Step 4: Simplify right side
    165,679x = 67,173,754,041
  5. Step 5: Solve for x
    x = 67,173,754,041/165,679
  6. Step 6: Final answer
    x = 405,445.19

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.