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Finding the Third Proportional to 18,783,872 and 28,734,454

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Solution

The third proportional to 18,783,872 and 28,734,454 is: 43,956,264.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,783,872 : 28,734,454 = 28,734,454 : x
  2. Step 2: Convert to fraction form
    18,783,872/28,734,454 = 28,734,454/x
  3. Step 3: Cross multiply
    18,783,872x = 28,734,454 × 28,734,454
  4. Step 4: Simplify right side
    18,783,872x = 825,668,846,678,116
  5. Step 5: Solve for x
    x = 825,668,846,678,116/18,783,872
  6. Step 6: Final answer
    x = 43,956,264.54

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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.