Home / 236,738-318,960

Finding the Third Proportional to 236,738 and 318,960

Calculator

Solution

The third proportional to 236,738 and 318,960 is: 429,738.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,738 : 318,960 = 318,960 : x
  2. Step 2: Convert to fraction form
    236,738/318,960 = 318,960/x
  3. Step 3: Cross multiply
    236,738x = 318,960 × 318,960
  4. Step 4: Simplify right side
    236,738x = 101,735,481,600
  5. Step 5: Solve for x
    x = 101,735,481,600/236,738
  6. Step 6: Final answer
    x = 429,738.71

Related Problems

Find third proportional to 118,369 and 159,480
Half scale
Find third proportional to 473,476 and 637,920
Double scale
Find third proportional to 236,740 and 318,963
Similar ratio
Find third proportional to 355,107 and 478,440
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.