Home / 538,420-844,739

Finding the Third Proportional to 538,420 and 844,739

Calculator

Solution

The third proportional to 538,420 and 844,739 is: 1,325,329.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,420 : 844,739 = 844,739 : x
  2. Step 2: Convert to fraction form
    538,420/844,739 = 844,739/x
  3. Step 3: Cross multiply
    538,420x = 844,739 × 844,739
  4. Step 4: Simplify right side
    538,420x = 713,583,978,121
  5. Step 5: Solve for x
    x = 713,583,978,121/538,420
  6. Step 6: Final answer
    x = 1,325,329.63

Related Problems

Find third proportional to 269,210 and 422,369.50
Half scale
Find third proportional to 1,076,840 and 1,689,478
Double scale
Find third proportional to 538,422 and 844,742
Similar ratio
Find third proportional to 807,630 and 1,267,108.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.