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Finding the Third Proportional to 7,910,639.44 and 11,887,021.69

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Solution

The third proportional to 7,910,639.44 and 11,887,021.69 is: 17,862,182.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910,639.44 : 11,887,021.69 = 11,887,021.69 : x
  2. Step 2: Convert to fraction form
    7,910,639.44/11,887,021.69 = 11,887,021.69/x
  3. Step 3: Cross multiply
    7,910,639.44x = 11,887,021.69 × 11,887,021.69
  4. Step 4: Simplify right side
    7,910,639.44x = 141,301,284,599,095.34
  5. Step 5: Solve for x
    x = 141,301,284,599,095.34/7,910,639.44
  6. Step 6: Final answer
    x = 17,862,182.41

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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.