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Finding the Third Proportional to 29,918,966 and 65,512,994

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Solution

The third proportional to 29,918,966 and 65,512,994 is: 143,452,563.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,918,966 : 65,512,994 = 65,512,994 : x
  2. Step 2: Convert to fraction form
    29,918,966/65,512,994 = 65,512,994/x
  3. Step 3: Cross multiply
    29,918,966x = 65,512,994 × 65,512,994
  4. Step 4: Simplify right side
    29,918,966x = 4,291,952,382,844,036
  5. Step 5: Solve for x
    x = 4,291,952,382,844,036/29,918,966
  6. Step 6: Final answer
    x = 143,452,563.93

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.