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Finding the Third Proportional to 3,940,580 and 8,509,848

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Solution

The third proportional to 3,940,580 and 8,509,848 is: 18,377,374.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,580 : 8,509,848 = 8,509,848 : x
  2. Step 2: Convert to fraction form
    3,940,580/8,509,848 = 8,509,848/x
  3. Step 3: Cross multiply
    3,940,580x = 8,509,848 × 8,509,848
  4. Step 4: Simplify right side
    3,940,580x = 72,417,512,983,104
  5. Step 5: Solve for x
    x = 72,417,512,983,104/3,940,580
  6. Step 6: Final answer
    x = 18,377,374.14

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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.