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Finding the Third Proportional to 3,199,641.75 and 6,997,880.25

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Solution

The third proportional to 3,199,641.75 and 6,997,880.25 is: 15,304,940.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199,641.75 : 6,997,880.25 = 6,997,880.25 : x
  2. Step 2: Convert to fraction form
    3,199,641.75/6,997,880.25 = 6,997,880.25/x
  3. Step 3: Cross multiply
    3,199,641.75x = 6,997,880.25 × 6,997,880.25
  4. Step 4: Simplify right side
    3,199,641.75x = 48,970,327,993,340.06
  5. Step 5: Solve for x
    x = 48,970,327,993,340.06/3,199,641.75
  6. Step 6: Final answer
    x = 15,304,940.93

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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.