Home / 36,216-77,220

Finding the Third Proportional to 36,216 and 77,220

Calculator

Solution

The third proportional to 36,216 and 77,220 is: 164,649.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,216 : 77,220 = 77,220 : x
  2. Step 2: Convert to fraction form
    36,216/77,220 = 77,220/x
  3. Step 3: Cross multiply
    36,216x = 77,220 × 77,220
  4. Step 4: Simplify right side
    36,216x = 5,962,928,400
  5. Step 5: Solve for x
    x = 5,962,928,400/36,216
  6. Step 6: Final answer
    x = 164,649.01

Related Problems

Find third proportional to 18,108 and 38,610
Half scale
Find third proportional to 72,432 and 154,440
Double scale
Find third proportional to 36,218 and 77,224
Similar ratio
Find third proportional to 54,324 and 115,830
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.