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Finding the Third Proportional to 255,168,279 and 556,520,286

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Solution

The third proportional to 255,168,279 and 556,520,286 is: 1,213,766,969.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,168,279 : 556,520,286 = 556,520,286 : x
  2. Step 2: Convert to fraction form
    255,168,279/556,520,286 = 556,520,286/x
  3. Step 3: Cross multiply
    255,168,279x = 556,520,286 × 556,520,286
  4. Step 4: Simplify right side
    255,168,279x = 309,714,828,729,521,792
  5. Step 5: Solve for x
    x = 309,714,828,729,521,792/255,168,279
  6. Step 6: Final answer
    x = 1,213,766,969.56

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.