Home / 230,448-309,960

Finding the Third Proportional to 230,448 and 309,960

Calculator

Solution

The third proportional to 230,448 and 309,960 is: 416,906.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,448 : 309,960 = 309,960 : x
  2. Step 2: Convert to fraction form
    230,448/309,960 = 309,960/x
  3. Step 3: Cross multiply
    230,448x = 309,960 × 309,960
  4. Step 4: Simplify right side
    230,448x = 96,075,201,600
  5. Step 5: Solve for x
    x = 96,075,201,600/230,448
  6. Step 6: Final answer
    x = 416,906.21

Related Problems

Find third proportional to 115,224 and 154,980
Half scale
Find third proportional to 460,896 and 619,920
Double scale
Find third proportional to 230,450 and 309,963
Similar ratio
Find third proportional to 345,672 and 464,940
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.