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Finding the Third Proportional to 4,074,392 and 8,634,555

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Solution

The third proportional to 4,074,392 and 8,634,555 is: 18,298,568.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074,392 : 8,634,555 = 8,634,555 : x
  2. Step 2: Convert to fraction form
    4,074,392/8,634,555 = 8,634,555/x
  3. Step 3: Cross multiply
    4,074,392x = 8,634,555 × 8,634,555
  4. Step 4: Simplify right side
    4,074,392x = 74,555,540,048,025
  5. Step 5: Solve for x
    x = 74,555,540,048,025/4,074,392
  6. Step 6: Final answer
    x = 18,298,568.24

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.