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Finding the Third Proportional to 259,278 and 562,818

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Solution

The third proportional to 259,278 and 562,818 is: 1,221,716.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,278 : 562,818 = 562,818 : x
  2. Step 2: Convert to fraction form
    259,278/562,818 = 562,818/x
  3. Step 3: Cross multiply
    259,278x = 562,818 × 562,818
  4. Step 4: Simplify right side
    259,278x = 316,764,101,124
  5. Step 5: Solve for x
    x = 316,764,101,124/259,278
  6. Step 6: Final answer
    x = 1,221,716.08

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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.