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Finding the Third Proportional to 28,622,538 and 45,589,068

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Solution

The third proportional to 28,622,538 and 45,589,068 is: 72,612,817.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,622,538 : 45,589,068 = 45,589,068 : x
  2. Step 2: Convert to fraction form
    28,622,538/45,589,068 = 45,589,068/x
  3. Step 3: Cross multiply
    28,622,538x = 45,589,068 × 45,589,068
  4. Step 4: Simplify right side
    28,622,538x = 2,078,363,121,108,624
  5. Step 5: Solve for x
    x = 2,078,363,121,108,624/28,622,538
  6. Step 6: Final answer
    x = 72,612,817.25

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.