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Finding the Third Proportional to 15,375,586 and 21,627,699

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Solution

The third proportional to 15,375,586 and 21,627,699 is: 30,422,083.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,375,586 : 21,627,699 = 21,627,699 : x
  2. Step 2: Convert to fraction form
    15,375,586/21,627,699 = 21,627,699/x
  3. Step 3: Cross multiply
    15,375,586x = 21,627,699 × 21,627,699
  4. Step 4: Simplify right side
    15,375,586x = 467,757,364,034,601
  5. Step 5: Solve for x
    x = 467,757,364,034,601/15,375,586
  6. Step 6: Final answer
    x = 30,422,083.69

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.