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Finding the Third Proportional to 3,318,754.50 and 7,238,205

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Solution

The third proportional to 3,318,754.50 and 7,238,205 is: 15,786,528.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318,754.50 : 7,238,205 = 7,238,205 : x
  2. Step 2: Convert to fraction form
    3,318,754.50/7,238,205 = 7,238,205/x
  3. Step 3: Cross multiply
    3,318,754.50x = 7,238,205 × 7,238,205
  4. Step 4: Simplify right side
    3,318,754.50x = 52,391,611,622,025
  5. Step 5: Solve for x
    x = 52,391,611,622,025/3,318,754.50
  6. Step 6: Final answer
    x = 15,786,528.24

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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.