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Finding the Third Proportional to 13,121,628 and 18,470,091.75

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Solution

The third proportional to 13,121,628 and 18,470,091.75 is: 25,998,625.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121,628 : 18,470,091.75 = 18,470,091.75 : x
  2. Step 2: Convert to fraction form
    13,121,628/18,470,091.75 = 18,470,091.75/x
  3. Step 3: Cross multiply
    13,121,628x = 18,470,091.75 × 18,470,091.75
  4. Step 4: Simplify right side
    13,121,628x = 341,144,289,253,418.06
  5. Step 5: Solve for x
    x = 341,144,289,253,418.06/13,121,628
  6. Step 6: Final answer
    x = 25,998,625.27

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.