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Finding the Third Proportional to 1,998,087.75 and 3,015,113.63

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Solution

The third proportional to 1,998,087.75 and 3,015,113.63 is: 4,549,805.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,087.75 : 3,015,113.63 = 3,015,113.63 : x
  2. Step 2: Convert to fraction form
    1,998,087.75/3,015,113.63 = 3,015,113.63/x
  3. Step 3: Cross multiply
    1,998,087.75x = 3,015,113.63 × 3,015,113.63
  4. Step 4: Simplify right side
    1,998,087.75x = 9,090,910,171,660.64
  5. Step 5: Solve for x
    x = 9,090,910,171,660.64/1,998,087.75
  6. Step 6: Final answer
    x = 4,549,805.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.