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Finding the Third Proportional to 8,621,556 and 13,524,612

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Solution

The third proportional to 8,621,556 and 13,524,612 is: 21,216,022.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621,556 : 13,524,612 = 13,524,612 : x
  2. Step 2: Convert to fraction form
    8,621,556/13,524,612 = 13,524,612/x
  3. Step 3: Cross multiply
    8,621,556x = 13,524,612 × 13,524,612
  4. Step 4: Simplify right side
    8,621,556x = 182,915,129,750,544
  5. Step 5: Solve for x
    x = 182,915,129,750,544/8,621,556
  6. Step 6: Final answer
    x = 21,216,022.93

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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.