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Finding the Third Proportional to 18,565,973 and 28,382,589

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Solution

The third proportional to 18,565,973 and 28,382,589 is: 43,389,665.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565,973 : 28,382,589 = 28,382,589 : x
  2. Step 2: Convert to fraction form
    18,565,973/28,382,589 = 28,382,589/x
  3. Step 3: Cross multiply
    18,565,973x = 28,382,589 × 28,382,589
  4. Step 4: Simplify right side
    18,565,973x = 805,571,358,342,921
  5. Step 5: Solve for x
    x = 805,571,358,342,921/18,565,973
  6. Step 6: Final answer
    x = 43,389,665.51

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.