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Finding the Third Proportional to 234,195 and 515,043

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Solution

The third proportional to 234,195 and 515,043 is: 1,132,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,195 : 515,043 = 515,043 : x
  2. Step 2: Convert to fraction form
    234,195/515,043 = 515,043/x
  3. Step 3: Cross multiply
    234,195x = 515,043 × 515,043
  4. Step 4: Simplify right side
    234,195x = 265,269,291,849
  5. Step 5: Solve for x
    x = 265,269,291,849/234,195
  6. Step 6: Final answer
    x = 1,132,685.55

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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.