Home / 328,860-708,912

Finding the Third Proportional to 328,860 and 708,912

Calculator

Solution

The third proportional to 328,860 and 708,912 is: 1,528,176.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,860 : 708,912 = 708,912 : x
  2. Step 2: Convert to fraction form
    328,860/708,912 = 708,912/x
  3. Step 3: Cross multiply
    328,860x = 708,912 × 708,912
  4. Step 4: Simplify right side
    328,860x = 502,556,223,744
  5. Step 5: Solve for x
    x = 502,556,223,744/328,860
  6. Step 6: Final answer
    x = 1,528,176.80

Related Problems

Find third proportional to 164,430 and 354,456
Half scale
Find third proportional to 657,720 and 1,417,824
Double scale
Find third proportional to 328,862 and 708,916
Similar ratio
Find third proportional to 493,290 and 1,063,368
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.