Home / 76,128-167,520

Finding the Third Proportional to 76,128 and 167,520

Calculator

Solution

The third proportional to 76,128 and 167,520 is: 368,628.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,128 : 167,520 = 167,520 : x
  2. Step 2: Convert to fraction form
    76,128/167,520 = 167,520/x
  3. Step 3: Cross multiply
    76,128x = 167,520 × 167,520
  4. Step 4: Simplify right side
    76,128x = 28,062,950,400
  5. Step 5: Solve for x
    x = 28,062,950,400/76,128
  6. Step 6: Final answer
    x = 368,628.50

Related Problems

Find third proportional to 38,064 and 83,760
Half scale
Find third proportional to 152,256 and 335,040
Double scale
Find third proportional to 76,130 and 167,524
Similar ratio
Find third proportional to 114,192 and 251,280
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.