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Finding the Third Proportional to 3,953,819 and 8,632,628

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Solution

The third proportional to 3,953,819 and 8,632,628 is: 18,848,173.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953,819 : 8,632,628 = 8,632,628 : x
  2. Step 2: Convert to fraction form
    3,953,819/8,632,628 = 8,632,628/x
  3. Step 3: Cross multiply
    3,953,819x = 8,632,628 × 8,632,628
  4. Step 4: Simplify right side
    3,953,819x = 74,522,266,186,384
  5. Step 5: Solve for x
    x = 74,522,266,186,384/3,953,819
  6. Step 6: Final answer
    x = 18,848,173.42

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.