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Finding the Third Proportional to 115,948,982 and 239,968,790

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Solution

The third proportional to 115,948,982 and 239,968,790 is: 496,641,015.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,948,982 : 239,968,790 = 239,968,790 : x
  2. Step 2: Convert to fraction form
    115,948,982/239,968,790 = 239,968,790/x
  3. Step 3: Cross multiply
    115,948,982x = 239,968,790 × 239,968,790
  4. Step 4: Simplify right side
    115,948,982x = 57,585,020,174,064,096
  5. Step 5: Solve for x
    x = 57,585,020,174,064,096/115,948,982
  6. Step 6: Final answer
    x = 496,641,015.56

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.