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Finding the Third Proportional to 3,210,340.50 and 6,686,401.50

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Solution

The third proportional to 3,210,340.50 and 6,686,401.50 is: 13,926,237.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,340.50 : 6,686,401.50 = 6,686,401.50 : x
  2. Step 2: Convert to fraction form
    3,210,340.50/6,686,401.50 = 6,686,401.50/x
  3. Step 3: Cross multiply
    3,210,340.50x = 6,686,401.50 × 6,686,401.50
  4. Step 4: Simplify right side
    3,210,340.50x = 44,707,965,019,202.25
  5. Step 5: Solve for x
    x = 44,707,965,019,202.25/3,210,340.50
  6. Step 6: Final answer
    x = 13,926,237.74

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.