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Finding the Third Proportional to 6,821,807 and 14,778,880

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Solution

The third proportional to 6,821,807 and 14,778,880 is: 32,017,219.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821,807 : 14,778,880 = 14,778,880 : x
  2. Step 2: Convert to fraction form
    6,821,807/14,778,880 = 14,778,880/x
  3. Step 3: Cross multiply
    6,821,807x = 14,778,880 × 14,778,880
  4. Step 4: Simplify right side
    6,821,807x = 218,415,294,054,400
  5. Step 5: Solve for x
    x = 218,415,294,054,400/6,821,807
  6. Step 6: Final answer
    x = 32,017,219.79

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.