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Finding the Third Proportional to 54,131,488 and 127,740,640

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Solution

The third proportional to 54,131,488 and 127,740,640 is: 301,445,086.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,131,488 : 127,740,640 = 127,740,640 : x
  2. Step 2: Convert to fraction form
    54,131,488/127,740,640 = 127,740,640/x
  3. Step 3: Cross multiply
    54,131,488x = 127,740,640 × 127,740,640
  4. Step 4: Simplify right side
    54,131,488x = 16,317,671,107,609,600
  5. Step 5: Solve for x
    x = 16,317,671,107,609,600/54,131,488
  6. Step 6: Final answer
    x = 301,445,086.96

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.