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Finding the Third Proportional to 45,128,772 and 68,751,018

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Solution

The third proportional to 45,128,772 and 68,751,018 is: 104,738,114.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,128,772 : 68,751,018 = 68,751,018 : x
  2. Step 2: Convert to fraction form
    45,128,772/68,751,018 = 68,751,018/x
  3. Step 3: Cross multiply
    45,128,772x = 68,751,018 × 68,751,018
  4. Step 4: Simplify right side
    45,128,772x = 4,726,702,476,036,324
  5. Step 5: Solve for x
    x = 4,726,702,476,036,324/45,128,772
  6. Step 6: Final answer
    x = 104,738,114.21

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.