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Finding the Third Proportional to 28,903,686 and 39,368,589

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Solution

The third proportional to 28,903,686 and 39,368,589 is: 53,622,427.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903,686 : 39,368,589 = 39,368,589 : x
  2. Step 2: Convert to fraction form
    28,903,686/39,368,589 = 39,368,589/x
  3. Step 3: Cross multiply
    28,903,686x = 39,368,589 × 39,368,589
  4. Step 4: Simplify right side
    28,903,686x = 1,549,885,799,850,921
  5. Step 5: Solve for x
    x = 1,549,885,799,850,921/28,903,686
  6. Step 6: Final answer
    x = 53,622,427.25

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.