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Finding the Third Proportional to 115,948,980 and 239,968,786

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Solution

The third proportional to 115,948,980 and 239,968,786 is: 496,641,007.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,948,980 : 239,968,786 = 239,968,786 : x
  2. Step 2: Convert to fraction form
    115,948,980/239,968,786 = 239,968,786/x
  3. Step 3: Cross multiply
    115,948,980x = 239,968,786 × 239,968,786
  4. Step 4: Simplify right side
    115,948,980x = 57,585,018,254,313,792
  5. Step 5: Solve for x
    x = 57,585,018,254,313,792/115,948,980
  6. Step 6: Final answer
    x = 496,641,007.57

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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.