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Finding the Third Proportional to 204,022,987 and 442,685,129

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Solution

The third proportional to 204,022,987 and 442,685,129 is: 960,529,626.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,022,987 : 442,685,129 = 442,685,129 : x
  2. Step 2: Convert to fraction form
    204,022,987/442,685,129 = 442,685,129/x
  3. Step 3: Cross multiply
    204,022,987x = 442,685,129 × 442,685,129
  4. Step 4: Simplify right side
    204,022,987x = 195,970,123,437,746,656
  5. Step 5: Solve for x
    x = 195,970,123,437,746,656/204,022,987
  6. Step 6: Final answer
    x = 960,529,626.19

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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.