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Finding the Third Proportional to 196,118 and 423,344

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Solution

The third proportional to 196,118 and 423,344 is: 913,838.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,118 : 423,344 = 423,344 : x
  2. Step 2: Convert to fraction form
    196,118/423,344 = 423,344/x
  3. Step 3: Cross multiply
    196,118x = 423,344 × 423,344
  4. Step 4: Simplify right side
    196,118x = 179,220,142,336
  5. Step 5: Solve for x
    x = 179,220,142,336/196,118
  6. Step 6: Final answer
    x = 913,838.31

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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.