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Finding the Third Proportional to 13,376,736 and 20,496,768

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Solution

The third proportional to 13,376,736 and 20,496,768 is: 31,406,577.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376,736 : 20,496,768 = 20,496,768 : x
  2. Step 2: Convert to fraction form
    13,376,736/20,496,768 = 20,496,768/x
  3. Step 3: Cross multiply
    13,376,736x = 20,496,768 × 20,496,768
  4. Step 4: Simplify right side
    13,376,736x = 420,117,498,445,824
  5. Step 5: Solve for x
    x = 420,117,498,445,824/13,376,736
  6. Step 6: Final answer
    x = 31,406,577.69

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.