Home / 72,156-113,220

Finding the Third Proportional to 72,156 and 113,220

Calculator

Solution

The third proportional to 72,156 and 113,220 is: 177,653.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,156 : 113,220 = 113,220 : x
  2. Step 2: Convert to fraction form
    72,156/113,220 = 113,220/x
  3. Step 3: Cross multiply
    72,156x = 113,220 × 113,220
  4. Step 4: Simplify right side
    72,156x = 12,818,768,400
  5. Step 5: Solve for x
    x = 12,818,768,400/72,156
  6. Step 6: Final answer
    x = 177,653.53

Related Problems

Find third proportional to 36,078 and 56,610
Half scale
Find third proportional to 144,312 and 226,440
Double scale
Find third proportional to 72,158 and 113,223
Similar ratio
Find third proportional to 108,234 and 169,830
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.