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Finding the Third Proportional to 54,131,490 and 127,740,645

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Solution

The third proportional to 54,131,490 and 127,740,645 is: 301,445,099.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,131,490 : 127,740,645 = 127,740,645 : x
  2. Step 2: Convert to fraction form
    54,131,490/127,740,645 = 127,740,645/x
  3. Step 3: Cross multiply
    54,131,490x = 127,740,645 × 127,740,645
  4. Step 4: Simplify right side
    54,131,490x = 16,317,672,385,016,024
  5. Step 5: Solve for x
    x = 16,317,672,385,016,024/54,131,490
  6. Step 6: Final answer
    x = 301,445,099.42

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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.