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Finding the Third Proportional to 18,948,084 and 28,776,738

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Solution

The third proportional to 18,948,084 and 28,776,738 is: 43,703,661.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948,084 : 28,776,738 = 28,776,738 : x
  2. Step 2: Convert to fraction form
    18,948,084/28,776,738 = 28,776,738/x
  3. Step 3: Cross multiply
    18,948,084x = 28,776,738 × 28,776,738
  4. Step 4: Simplify right side
    18,948,084x = 828,100,649,920,644
  5. Step 5: Solve for x
    x = 828,100,649,920,644/18,948,084
  6. Step 6: Final answer
    x = 43,703,661.54

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.