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Finding the Third Proportional to 9,894,453.75 and 15,135,930

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Solution

The third proportional to 9,894,453.75 and 15,135,930 is: 23,154,019.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,894,453.75 : 15,135,930 = 15,135,930 : x
  2. Step 2: Convert to fraction form
    9,894,453.75/15,135,930 = 15,135,930/x
  3. Step 3: Cross multiply
    9,894,453.75x = 15,135,930 × 15,135,930
  4. Step 4: Simplify right side
    9,894,453.75x = 229,096,376,964,900
  5. Step 5: Solve for x
    x = 229,096,376,964,900/9,894,453.75
  6. Step 6: Final answer
    x = 23,154,019.69

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.