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Finding the Third Proportional to 3,990,622.50 and 8,726,580

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Solution

The third proportional to 3,990,622.50 and 8,726,580 is: 19,083,037.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,622.50 : 8,726,580 = 8,726,580 : x
  2. Step 2: Convert to fraction form
    3,990,622.50/8,726,580 = 8,726,580/x
  3. Step 3: Cross multiply
    3,990,622.50x = 8,726,580 × 8,726,580
  4. Step 4: Simplify right side
    3,990,622.50x = 76,153,198,496,400
  5. Step 5: Solve for x
    x = 76,153,198,496,400/3,990,622.50
  6. Step 6: Final answer
    x = 19,083,037.42

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.