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Finding the Third Proportional to 6,221,970 and 12,940,578

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Solution

The third proportional to 6,221,970 and 12,940,578 is: 26,914,073.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221,970 : 12,940,578 = 12,940,578 : x
  2. Step 2: Convert to fraction form
    6,221,970/12,940,578 = 12,940,578/x
  3. Step 3: Cross multiply
    6,221,970x = 12,940,578 × 12,940,578
  4. Step 4: Simplify right side
    6,221,970x = 167,458,558,974,084
  5. Step 5: Solve for x
    x = 167,458,558,974,084/6,221,970
  6. Step 6: Final answer
    x = 26,914,073.67

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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.