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Finding the Third Proportional to 200,926 and 442,028

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Solution

The third proportional to 200,926 and 442,028 is: 972,441.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,926 : 442,028 = 442,028 : x
  2. Step 2: Convert to fraction form
    200,926/442,028 = 442,028/x
  3. Step 3: Cross multiply
    200,926x = 442,028 × 442,028
  4. Step 4: Simplify right side
    200,926x = 195,388,752,784
  5. Step 5: Solve for x
    x = 195,388,752,784/200,926
  6. Step 6: Final answer
    x = 972,441.36

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.