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Finding the Third Proportional to 3,121,621.50 and 6,809,025

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Solution

The third proportional to 3,121,621.50 and 6,809,025 is: 14,852,159.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,621.50 : 6,809,025 = 6,809,025 : x
  2. Step 2: Convert to fraction form
    3,121,621.50/6,809,025 = 6,809,025/x
  3. Step 3: Cross multiply
    3,121,621.50x = 6,809,025 × 6,809,025
  4. Step 4: Simplify right side
    3,121,621.50x = 46,362,821,450,625
  5. Step 5: Solve for x
    x = 46,362,821,450,625/3,121,621.50
  6. Step 6: Final answer
    x = 14,852,159.83

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.