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Finding the Third Proportional to 259,849 and 561,146

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Solution

The third proportional to 259,849 and 561,146 is: 1,211,799.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,849 : 561,146 = 561,146 : x
  2. Step 2: Convert to fraction form
    259,849/561,146 = 561,146/x
  3. Step 3: Cross multiply
    259,849x = 561,146 × 561,146
  4. Step 4: Simplify right side
    259,849x = 314,884,833,316
  5. Step 5: Solve for x
    x = 314,884,833,316/259,849
  6. Step 6: Final answer
    x = 1,211,799.29

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.