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Finding the Third Proportional to 4,040,168 and 8,721,310

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Solution

The third proportional to 4,040,168 and 8,721,310 is: 18,826,258.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040,168 : 8,721,310 = 8,721,310 : x
  2. Step 2: Convert to fraction form
    4,040,168/8,721,310 = 8,721,310/x
  3. Step 3: Cross multiply
    4,040,168x = 8,721,310 × 8,721,310
  4. Step 4: Simplify right side
    4,040,168x = 76,061,248,116,100
  5. Step 5: Solve for x
    x = 76,061,248,116,100/4,040,168
  6. Step 6: Final answer
    x = 18,826,258.74

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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.