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Finding the Third Proportional to 54,475,128 and 117,555,966

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Solution

The third proportional to 54,475,128 and 117,555,966 is: 253,682,839.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,475,128 : 117,555,966 = 117,555,966 : x
  2. Step 2: Convert to fraction form
    54,475,128/117,555,966 = 117,555,966/x
  3. Step 3: Cross multiply
    54,475,128x = 117,555,966 × 117,555,966
  4. Step 4: Simplify right side
    54,475,128x = 13,819,405,142,193,156
  5. Step 5: Solve for x
    x = 13,819,405,142,193,156/54,475,128
  6. Step 6: Final answer
    x = 253,682,839.30

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.