Home / 77,190-122,697

Finding the Third Proportional to 77,190 and 122,697

Calculator

Solution

The third proportional to 77,190 and 122,697 is: 195,032.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,190 : 122,697 = 122,697 : x
  2. Step 2: Convert to fraction form
    77,190/122,697 = 122,697/x
  3. Step 3: Cross multiply
    77,190x = 122,697 × 122,697
  4. Step 4: Simplify right side
    77,190x = 15,054,553,809
  5. Step 5: Solve for x
    x = 15,054,553,809/77,190
  6. Step 6: Final answer
    x = 195,032.44

Related Problems

Find third proportional to 38,595 and 61,348.50
Half scale
Find third proportional to 154,380 and 245,394
Double scale
Find third proportional to 77,192 and 122,700
Similar ratio
Find third proportional to 115,785 and 184,045.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.