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Finding the Third Proportional to 4,879,230 and 10,307,766

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Solution

The third proportional to 4,879,230 and 10,307,766 is: 21,775,985.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879,230 : 10,307,766 = 10,307,766 : x
  2. Step 2: Convert to fraction form
    4,879,230/10,307,766 = 10,307,766/x
  3. Step 3: Cross multiply
    4,879,230x = 10,307,766 × 10,307,766
  4. Step 4: Simplify right side
    4,879,230x = 106,250,039,910,756
  5. Step 5: Solve for x
    x = 106,250,039,910,756/4,879,230
  6. Step 6: Final answer
    x = 21,775,985.13

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.