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Finding the Third Proportional to 11,885,639.63 and 17,856,849.94

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Solution

The third proportional to 11,885,639.63 and 17,856,849.94 is: 26,827,928.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,885,639.63 : 17,856,849.94 = 17,856,849.94 : x
  2. Step 2: Convert to fraction form
    11,885,639.63/17,856,849.94 = 17,856,849.94/x
  3. Step 3: Cross multiply
    11,885,639.63x = 17,856,849.94 × 17,856,849.94
  4. Step 4: Simplify right side
    11,885,639.63x = 318,867,089,690,393.75
  5. Step 5: Solve for x
    x = 318,867,089,690,393.75/11,885,639.63
  6. Step 6: Final answer
    x = 26,827,928.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.