Home / 76,850-162,820

Finding the Third Proportional to 76,850 and 162,820

Calculator

Solution

The third proportional to 76,850 and 162,820 is: 344,962.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,850 : 162,820 = 162,820 : x
  2. Step 2: Convert to fraction form
    76,850/162,820 = 162,820/x
  3. Step 3: Cross multiply
    76,850x = 162,820 × 162,820
  4. Step 4: Simplify right side
    76,850x = 26,510,352,400
  5. Step 5: Solve for x
    x = 26,510,352,400/76,850
  6. Step 6: Final answer
    x = 344,962.30

Related Problems

Find third proportional to 38,425 and 81,410
Half scale
Find third proportional to 153,700 and 325,640
Double scale
Find third proportional to 76,852 and 162,824
Similar ratio
Find third proportional to 115,275 and 244,230
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.