Home / 214,608-315,328

Finding the Third Proportional to 214,608 and 315,328

Calculator

Solution

The third proportional to 214,608 and 315,328 is: 463,317.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,608 : 315,328 = 315,328 : x
  2. Step 2: Convert to fraction form
    214,608/315,328 = 315,328/x
  3. Step 3: Cross multiply
    214,608x = 315,328 × 315,328
  4. Step 4: Simplify right side
    214,608x = 99,431,747,584
  5. Step 5: Solve for x
    x = 99,431,747,584/214,608
  6. Step 6: Final answer
    x = 463,317.99

Related Problems

Find third proportional to 107,304 and 157,664
Half scale
Find third proportional to 429,216 and 630,656
Double scale
Find third proportional to 214,610 and 315,331
Similar ratio
Find third proportional to 321,912 and 472,992
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.