Home / 214,458-315,443

Finding the Third Proportional to 214,458 and 315,443

Calculator

Solution

The third proportional to 214,458 and 315,443 is: 463,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,458 : 315,443 = 315,443 : x
  2. Step 2: Convert to fraction form
    214,458/315,443 = 315,443/x
  3. Step 3: Cross multiply
    214,458x = 315,443 × 315,443
  4. Step 4: Simplify right side
    214,458x = 99,504,286,249
  5. Step 5: Solve for x
    x = 99,504,286,249/214,458
  6. Step 6: Final answer
    x = 463,980.30

Related Problems

Find third proportional to 107,229 and 157,721.50
Half scale
Find third proportional to 428,916 and 630,886
Double scale
Find third proportional to 214,460 and 315,446
Similar ratio
Find third proportional to 321,687 and 473,164.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.