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Finding the Third Proportional to 955,603 and 2,100,040

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Solution

The third proportional to 955,603 and 2,100,040 is: 4,615,062.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,603 : 2,100,040 = 2,100,040 : x
  2. Step 2: Convert to fraction form
    955,603/2,100,040 = 2,100,040/x
  3. Step 3: Cross multiply
    955,603x = 2,100,040 × 2,100,040
  4. Step 4: Simplify right side
    955,603x = 4,410,168,001,600
  5. Step 5: Solve for x
    x = 4,410,168,001,600/955,603
  6. Step 6: Final answer
    x = 4,615,062.95

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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.