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Finding the Third Proportional to 3,908,174.06 and 8,611,454.25

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Solution

The third proportional to 3,908,174.06 and 8,611,454.25 is: 18,974,882.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908,174.06 : 8,611,454.25 = 8,611,454.25 : x
  2. Step 2: Convert to fraction form
    3,908,174.06/8,611,454.25 = 8,611,454.25/x
  3. Step 3: Cross multiply
    3,908,174.06x = 8,611,454.25 × 8,611,454.25
  4. Step 4: Simplify right side
    3,908,174.06x = 74,157,144,299,843.06
  5. Step 5: Solve for x
    x = 74,157,144,299,843.06/3,908,174.06
  6. Step 6: Final answer
    x = 18,974,882.67

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.