Home / 77,319-162,936

Finding the Third Proportional to 77,319 and 162,936

Calculator

Solution

The third proportional to 77,319 and 162,936 is: 343,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,319 : 162,936 = 162,936 : x
  2. Step 2: Convert to fraction form
    77,319/162,936 = 162,936/x
  3. Step 3: Cross multiply
    77,319x = 162,936 × 162,936
  4. Step 4: Simplify right side
    77,319x = 26,548,140,096
  5. Step 5: Solve for x
    x = 26,548,140,096/77,319
  6. Step 6: Final answer
    x = 343,358.55

Related Problems

Find third proportional to 38,659.50 and 81,468
Half scale
Find third proportional to 154,638 and 325,872
Double scale
Find third proportional to 77,321 and 162,940
Similar ratio
Find third proportional to 115,978.50 and 244,404
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.