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Finding the Third Proportional to 4,576,446 and 9,940,176

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Solution

The third proportional to 4,576,446 and 9,940,176 is: 21,590,356.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,576,446 : 9,940,176 = 9,940,176 : x
  2. Step 2: Convert to fraction form
    4,576,446/9,940,176 = 9,940,176/x
  3. Step 3: Cross multiply
    4,576,446x = 9,940,176 × 9,940,176
  4. Step 4: Simplify right side
    4,576,446x = 98,807,098,910,976
  5. Step 5: Solve for x
    x = 98,807,098,910,976/4,576,446
  6. Step 6: Final answer
    x = 21,590,356.12

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.