Home / 300,030-422,029

Finding the Third Proportional to 300,030 and 422,029

Calculator

Solution

The third proportional to 300,030 and 422,029 is: 593,635.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,030 : 422,029 = 422,029 : x
  2. Step 2: Convert to fraction form
    300,030/422,029 = 422,029/x
  3. Step 3: Cross multiply
    300,030x = 422,029 × 422,029
  4. Step 4: Simplify right side
    300,030x = 178,108,476,841
  5. Step 5: Solve for x
    x = 178,108,476,841/300,030
  6. Step 6: Final answer
    x = 593,635.56

Related Problems

Find third proportional to 150,015 and 211,014.50
Half scale
Find third proportional to 600,060 and 844,058
Double scale
Find third proportional to 300,032 and 422,032
Similar ratio
Find third proportional to 450,045 and 633,043.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.