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Finding the Third Proportional to 4,562,631 and 9,966,645

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Solution

The third proportional to 4,562,631 and 9,966,645 is: 21,771,213.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,562,631 : 9,966,645 = 9,966,645 : x
  2. Step 2: Convert to fraction form
    4,562,631/9,966,645 = 9,966,645/x
  3. Step 3: Cross multiply
    4,562,631x = 9,966,645 × 9,966,645
  4. Step 4: Simplify right side
    4,562,631x = 99,334,012,556,025
  5. Step 5: Solve for x
    x = 99,334,012,556,025/4,562,631
  6. Step 6: Final answer
    x = 21,771,213.27

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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.