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Finding the Third Proportional to 8,684,361 and 12,773,940.75

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Solution

The third proportional to 8,684,361 and 12,773,940.75 is: 18,789,357.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684,361 : 12,773,940.75 = 12,773,940.75 : x
  2. Step 2: Convert to fraction form
    8,684,361/12,773,940.75 = 12,773,940.75/x
  3. Step 3: Cross multiply
    8,684,361x = 12,773,940.75 × 12,773,940.75
  4. Step 4: Simplify right side
    8,684,361x = 163,173,562,284,510.56
  5. Step 5: Solve for x
    x = 163,173,562,284,510.56/8,684,361
  6. Step 6: Final answer
    x = 18,789,357.36

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.