Home / 79,820-116,220

Finding the Third Proportional to 79,820 and 116,220

Calculator

Solution

The third proportional to 79,820 and 116,220 is: 169,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,820 : 116,220 = 116,220 : x
  2. Step 2: Convert to fraction form
    79,820/116,220 = 116,220/x
  3. Step 3: Cross multiply
    79,820x = 116,220 × 116,220
  4. Step 4: Simplify right side
    79,820x = 13,507,088,400
  5. Step 5: Solve for x
    x = 13,507,088,400/79,820
  6. Step 6: Final answer
    x = 169,219.35

Related Problems

Find third proportional to 39,910 and 58,110
Half scale
Find third proportional to 159,640 and 232,440
Double scale
Find third proportional to 79,822 and 116,223
Similar ratio
Find third proportional to 119,730 and 174,330
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.