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Finding the Third Proportional to 14,879,889 and 21,060,837

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Solution

The third proportional to 14,879,889 and 21,060,837 is: 29,809,285.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,879,889 : 21,060,837 = 21,060,837 : x
  2. Step 2: Convert to fraction form
    14,879,889/21,060,837 = 21,060,837/x
  3. Step 3: Cross multiply
    14,879,889x = 21,060,837 × 21,060,837
  4. Step 4: Simplify right side
    14,879,889x = 443,558,855,140,569
  5. Step 5: Solve for x
    x = 443,558,855,140,569/14,879,889
  6. Step 6: Final answer
    x = 29,809,285.21

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.