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Finding the Third Proportional to 3,318,999 and 5,125,915

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Solution

The third proportional to 3,318,999 and 5,125,915 is: 7,916,544.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318,999 : 5,125,915 = 5,125,915 : x
  2. Step 2: Convert to fraction form
    3,318,999/5,125,915 = 5,125,915/x
  3. Step 3: Cross multiply
    3,318,999x = 5,125,915 × 5,125,915
  4. Step 4: Simplify right side
    3,318,999x = 26,275,004,587,225
  5. Step 5: Solve for x
    x = 26,275,004,587,225/3,318,999
  6. Step 6: Final answer
    x = 7,916,544.89

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.