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Finding the Third Proportional to 15,375,586.50 and 21,627,699.75

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Solution

The third proportional to 15,375,586.50 and 21,627,699.75 is: 30,422,084.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,375,586.50 : 21,627,699.75 = 21,627,699.75 : x
  2. Step 2: Convert to fraction form
    15,375,586.50/21,627,699.75 = 21,627,699.75/x
  3. Step 3: Cross multiply
    15,375,586.50x = 21,627,699.75 × 21,627,699.75
  4. Step 4: Simplify right side
    15,375,586.50x = 467,757,396,476,150.06
  5. Step 5: Solve for x
    x = 467,757,396,476,150.06/15,375,586.50
  6. Step 6: Final answer
    x = 30,422,084.81

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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.