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Finding the Third Proportional to 8,749,556 and 13,697,790

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Solution

The third proportional to 8,749,556 and 13,697,790 is: 21,444,453.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749,556 : 13,697,790 = 13,697,790 : x
  2. Step 2: Convert to fraction form
    8,749,556/13,697,790 = 13,697,790/x
  3. Step 3: Cross multiply
    8,749,556x = 13,697,790 × 13,697,790
  4. Step 4: Simplify right side
    8,749,556x = 187,629,450,884,100
  5. Step 5: Solve for x
    x = 187,629,450,884,100/8,749,556
  6. Step 6: Final answer
    x = 21,444,453.97

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.