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Finding the Third Proportional to 3,879,292.50 and 8,430,075

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Solution

The third proportional to 3,879,292.50 and 8,430,075 is: 18,319,362.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,292.50 : 8,430,075 = 8,430,075 : x
  2. Step 2: Convert to fraction form
    3,879,292.50/8,430,075 = 8,430,075/x
  3. Step 3: Cross multiply
    3,879,292.50x = 8,430,075 × 8,430,075
  4. Step 4: Simplify right side
    3,879,292.50x = 71,066,164,505,625
  5. Step 5: Solve for x
    x = 71,066,164,505,625/3,879,292.50
  6. Step 6: Final answer
    x = 18,319,362.23

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.