Home / 538,438-833,619

Finding the Third Proportional to 538,438 and 833,619

Calculator

Solution

The third proportional to 538,438 and 833,619 is: 1,290,623.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,438 : 833,619 = 833,619 : x
  2. Step 2: Convert to fraction form
    538,438/833,619 = 833,619/x
  3. Step 3: Cross multiply
    538,438x = 833,619 × 833,619
  4. Step 4: Simplify right side
    538,438x = 694,920,637,161
  5. Step 5: Solve for x
    x = 694,920,637,161/538,438
  6. Step 6: Final answer
    x = 1,290,623.32

Related Problems

Find third proportional to 269,219 and 416,809.50
Half scale
Find third proportional to 1,076,876 and 1,667,238
Double scale
Find third proportional to 538,440 and 833,622
Similar ratio
Find third proportional to 807,657 and 1,250,428.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.