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Finding the Third Proportional to 1,325,191 and 2,910,720

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Solution

The third proportional to 1,325,191 and 2,910,720 is: 6,393,260.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,191 : 2,910,720 = 2,910,720 : x
  2. Step 2: Convert to fraction form
    1,325,191/2,910,720 = 2,910,720/x
  3. Step 3: Cross multiply
    1,325,191x = 2,910,720 × 2,910,720
  4. Step 4: Simplify right side
    1,325,191x = 8,472,290,918,400
  5. Step 5: Solve for x
    x = 8,472,290,918,400/1,325,191
  6. Step 6: Final answer
    x = 6,393,260.23

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.