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Finding the Third Proportional to 3,239,806.50 and 6,960,405.38

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Solution

The third proportional to 3,239,806.50 and 6,960,405.38 is: 14,953,745.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239,806.50 : 6,960,405.38 = 6,960,405.38 : x
  2. Step 2: Convert to fraction form
    3,239,806.50/6,960,405.38 = 6,960,405.38/x
  3. Step 3: Cross multiply
    3,239,806.50x = 6,960,405.38 × 6,960,405.38
  4. Step 4: Simplify right side
    3,239,806.50x = 48,447,242,984,328.89
  5. Step 5: Solve for x
    x = 48,447,242,984,328.89/3,239,806.50
  6. Step 6: Final answer
    x = 14,953,745.84

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.