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Finding the Third Proportional to 9,372,645 and 19,491,678

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Solution

The third proportional to 9,372,645 and 19,491,678 is: 40,535,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,372,645 : 19,491,678 = 19,491,678 : x
  2. Step 2: Convert to fraction form
    9,372,645/19,491,678 = 19,491,678/x
  3. Step 3: Cross multiply
    9,372,645x = 19,491,678 × 19,491,678
  4. Step 4: Simplify right side
    9,372,645x = 379,925,511,255,684
  5. Step 5: Solve for x
    x = 379,925,511,255,684/9,372,645
  6. Step 6: Final answer
    x = 40,535,570.40

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.