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Finding the Third Proportional to 295,336 and 442,907

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Solution

The third proportional to 295,336 and 442,907 is: 664,215.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,336 : 442,907 = 442,907 : x
  2. Step 2: Convert to fraction form
    295,336/442,907 = 442,907/x
  3. Step 3: Cross multiply
    295,336x = 442,907 × 442,907
  4. Step 4: Simplify right side
    295,336x = 196,166,610,649
  5. Step 5: Solve for x
    x = 196,166,610,649/295,336
  6. Step 6: Final answer
    x = 664,215.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.