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Finding the Third Proportional to 65,792,579 and 142,568,272

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Solution

The third proportional to 65,792,579 and 142,568,272 is: 308,936,243.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,792,579 : 142,568,272 = 142,568,272 : x
  2. Step 2: Convert to fraction form
    65,792,579/142,568,272 = 142,568,272/x
  3. Step 3: Cross multiply
    65,792,579x = 142,568,272 × 142,568,272
  4. Step 4: Simplify right side
    65,792,579x = 20,325,712,181,065,984
  5. Step 5: Solve for x
    x = 20,325,712,181,065,984/65,792,579
  6. Step 6: Final answer
    x = 308,936,243.11

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.