Home / 76,638-167,830

Finding the Third Proportional to 76,638 and 167,830

Calculator

Solution

The third proportional to 76,638 and 167,830 is: 367,531.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,638 : 167,830 = 167,830 : x
  2. Step 2: Convert to fraction form
    76,638/167,830 = 167,830/x
  3. Step 3: Cross multiply
    76,638x = 167,830 × 167,830
  4. Step 4: Simplify right side
    76,638x = 28,166,908,900
  5. Step 5: Solve for x
    x = 28,166,908,900/76,638
  6. Step 6: Final answer
    x = 367,531.89

Related Problems

Find third proportional to 38,319 and 83,915
Half scale
Find third proportional to 153,276 and 335,660
Double scale
Find third proportional to 76,640 and 167,834
Similar ratio
Find third proportional to 114,957 and 251,745
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.