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Finding the Third Proportional to 200,046 and 434,438

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Solution

The third proportional to 200,046 and 434,438 is: 943,464.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,046 : 434,438 = 434,438 : x
  2. Step 2: Convert to fraction form
    200,046/434,438 = 434,438/x
  3. Step 3: Cross multiply
    200,046x = 434,438 × 434,438
  4. Step 4: Simplify right side
    200,046x = 188,736,375,844
  5. Step 5: Solve for x
    x = 188,736,375,844/200,046
  6. Step 6: Final answer
    x = 943,464.88

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.