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Finding the Third Proportional to 11,808,349.50 and 19,281,971.25

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Solution

The third proportional to 11,808,349.50 and 19,281,971.25 is: 31,485,722.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,808,349.50 : 19,281,971.25 = 19,281,971.25 : x
  2. Step 2: Convert to fraction form
    11,808,349.50/19,281,971.25 = 19,281,971.25/x
  3. Step 3: Cross multiply
    11,808,349.50x = 19,281,971.25 × 19,281,971.25
  4. Step 4: Simplify right side
    11,808,349.50x = 371,794,415,285,826.56
  5. Step 5: Solve for x
    x = 371,794,415,285,826.56/11,808,349.50
  6. Step 6: Final answer
    x = 31,485,722.48

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.