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Finding the Third Proportional to 163,366 and 343,352

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Solution

The third proportional to 163,366 and 343,352 is: 721,634.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,366 : 343,352 = 343,352 : x
  2. Step 2: Convert to fraction form
    163,366/343,352 = 343,352/x
  3. Step 3: Cross multiply
    163,366x = 343,352 × 343,352
  4. Step 4: Simplify right side
    163,366x = 117,890,595,904
  5. Step 5: Solve for x
    x = 117,890,595,904/163,366
  6. Step 6: Final answer
    x = 721,634.83

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.