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Finding the Third Proportional to 4,738,872 and 9,241,545

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Solution

The third proportional to 4,738,872 and 9,241,545 is: 18,022,464.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738,872 : 9,241,545 = 9,241,545 : x
  2. Step 2: Convert to fraction form
    4,738,872/9,241,545 = 9,241,545/x
  3. Step 3: Cross multiply
    4,738,872x = 9,241,545 × 9,241,545
  4. Step 4: Simplify right side
    4,738,872x = 85,406,153,987,025
  5. Step 5: Solve for x
    x = 85,406,153,987,025/4,738,872
  6. Step 6: Final answer
    x = 18,022,464.84

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.