Home / 36,500-78,830

Finding the Third Proportional to 36,500 and 78,830

Calculator

Solution

The third proportional to 36,500 and 78,830 is: 170,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,500 : 78,830 = 78,830 : x
  2. Step 2: Convert to fraction form
    36,500/78,830 = 78,830/x
  3. Step 3: Cross multiply
    36,500x = 78,830 × 78,830
  4. Step 4: Simplify right side
    36,500x = 6,214,168,900
  5. Step 5: Solve for x
    x = 6,214,168,900/36,500
  6. Step 6: Final answer
    x = 170,251.20

Related Problems

Find third proportional to 18,250 and 39,415
Half scale
Find third proportional to 73,000 and 157,660
Double scale
Find third proportional to 36,502 and 78,834
Similar ratio
Find third proportional to 54,750 and 118,245
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.