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Finding the Third Proportional to 3,308,269.75 and 7,166,145

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Solution

The third proportional to 3,308,269.75 and 7,166,145 is: 15,522,807.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308,269.75 : 7,166,145 = 7,166,145 : x
  2. Step 2: Convert to fraction form
    3,308,269.75/7,166,145 = 7,166,145/x
  3. Step 3: Cross multiply
    3,308,269.75x = 7,166,145 × 7,166,145
  4. Step 4: Simplify right side
    3,308,269.75x = 51,353,634,161,025
  5. Step 5: Solve for x
    x = 51,353,634,161,025/3,308,269.75
  6. Step 6: Final answer
    x = 15,522,807.40

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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.