Home / 375,159-821,471

Finding the Third Proportional to 375,159 and 821,471

Calculator

Solution

The third proportional to 375,159 and 821,471 is: 1,798,742.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,159 : 821,471 = 821,471 : x
  2. Step 2: Convert to fraction form
    375,159/821,471 = 821,471/x
  3. Step 3: Cross multiply
    375,159x = 821,471 × 821,471
  4. Step 4: Simplify right side
    375,159x = 674,814,603,841
  5. Step 5: Solve for x
    x = 674,814,603,841/375,159
  6. Step 6: Final answer
    x = 1,798,742.94

Related Problems

Find third proportional to 187,579.50 and 410,735.50
Half scale
Find third proportional to 750,318 and 1,642,942
Double scale
Find third proportional to 375,161 and 821,475
Similar ratio
Find third proportional to 562,738.50 and 1,232,206.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.