Home / 37,128-81,424

Finding the Third Proportional to 37,128 and 81,424

Calculator

Solution

The third proportional to 37,128 and 81,424 is: 178,567.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,128 : 81,424 = 81,424 : x
  2. Step 2: Convert to fraction form
    37,128/81,424 = 81,424/x
  3. Step 3: Cross multiply
    37,128x = 81,424 × 81,424
  4. Step 4: Simplify right side
    37,128x = 6,629,867,776
  5. Step 5: Solve for x
    x = 6,629,867,776/37,128
  6. Step 6: Final answer
    x = 178,567.87

Related Problems

Find third proportional to 18,564 and 40,712
Half scale
Find third proportional to 74,256 and 162,848
Double scale
Find third proportional to 37,130 and 81,428
Similar ratio
Find third proportional to 55,692 and 122,136
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.