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Finding the Third Proportional to 12,152,676 and 18,634,926

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Solution

The third proportional to 12,152,676 and 18,634,926 is: 28,574,814.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,152,676 : 18,634,926 = 18,634,926 : x
  2. Step 2: Convert to fraction form
    12,152,676/18,634,926 = 18,634,926/x
  3. Step 3: Cross multiply
    12,152,676x = 18,634,926 × 18,634,926
  4. Step 4: Simplify right side
    12,152,676x = 347,260,467,025,476
  5. Step 5: Solve for x
    x = 347,260,467,025,476/12,152,676
  6. Step 6: Final answer
    x = 28,574,814.88

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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.