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Finding the Third Proportional to 355,668 and 632,388

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Solution

The third proportional to 355,668 and 632,388 is: 1,124,404.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,668 : 632,388 = 632,388 : x
  2. Step 2: Convert to fraction form
    355,668/632,388 = 632,388/x
  3. Step 3: Cross multiply
    355,668x = 632,388 × 632,388
  4. Step 4: Simplify right side
    355,668x = 399,914,582,544
  5. Step 5: Solve for x
    x = 399,914,582,544/355,668
  6. Step 6: Final answer
    x = 1,124,404.17

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.