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Finding the Third Proportional to 28,899,288 and 39,628,812

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Solution

The third proportional to 28,899,288 and 39,628,812 is: 54,341,918.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,899,288 : 39,628,812 = 39,628,812 : x
  2. Step 2: Convert to fraction form
    28,899,288/39,628,812 = 39,628,812/x
  3. Step 3: Cross multiply
    28,899,288x = 39,628,812 × 39,628,812
  4. Step 4: Simplify right side
    28,899,288x = 1,570,442,740,531,344
  5. Step 5: Solve for x
    x = 1,570,442,740,531,344/28,899,288
  6. Step 6: Final answer
    x = 54,341,918.06

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.