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Finding the Third Proportional to 126,260 and 276,278

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Solution

The third proportional to 126,260 and 276,278 is: 604,542.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,260 : 276,278 = 276,278 : x
  2. Step 2: Convert to fraction form
    126,260/276,278 = 276,278/x
  3. Step 3: Cross multiply
    126,260x = 276,278 × 276,278
  4. Step 4: Simplify right side
    126,260x = 76,329,533,284
  5. Step 5: Solve for x
    x = 76,329,533,284/126,260
  6. Step 6: Final answer
    x = 604,542.48

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.