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Finding the Third Proportional to 13,248,866 and 19,939,638

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Solution

The third proportional to 13,248,866 and 19,939,638 is: 30,009,297.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248,866 : 19,939,638 = 19,939,638 : x
  2. Step 2: Convert to fraction form
    13,248,866/19,939,638 = 19,939,638/x
  3. Step 3: Cross multiply
    13,248,866x = 19,939,638 × 19,939,638
  4. Step 4: Simplify right side
    13,248,866x = 397,589,163,571,044
  5. Step 5: Solve for x
    x = 397,589,163,571,044/13,248,866
  6. Step 6: Final answer
    x = 30,009,297.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.