Home / 402,284-837,939

Finding the Third Proportional to 402,284 and 837,939

Calculator

Solution

The third proportional to 402,284 and 837,939 is: 1,745,388.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,284 : 837,939 = 837,939 : x
  2. Step 2: Convert to fraction form
    402,284/837,939 = 837,939/x
  3. Step 3: Cross multiply
    402,284x = 837,939 × 837,939
  4. Step 4: Simplify right side
    402,284x = 702,141,767,721
  5. Step 5: Solve for x
    x = 702,141,767,721/402,284
  6. Step 6: Final answer
    x = 1,745,388.25

Related Problems

Find third proportional to 201,142 and 418,969.50
Half scale
Find third proportional to 804,568 and 1,675,878
Double scale
Find third proportional to 402,286 and 837,943
Similar ratio
Find third proportional to 603,426 and 1,256,908.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.