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Finding the Third Proportional to 9,894,388 and 15,135,839

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Solution

The third proportional to 9,894,388 and 15,135,839 is: 23,153,895.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,894,388 : 15,135,839 = 15,135,839 : x
  2. Step 2: Convert to fraction form
    9,894,388/15,135,839 = 15,135,839/x
  3. Step 3: Cross multiply
    9,894,388x = 15,135,839 × 15,135,839
  4. Step 4: Simplify right side
    9,894,388x = 229,093,622,233,921
  5. Step 5: Solve for x
    x = 229,093,622,233,921/9,894,388
  6. Step 6: Final answer
    x = 23,153,895.14

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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.