Home / 77,885-120,276

Finding the Third Proportional to 77,885 and 120,276

Calculator

Solution

The third proportional to 77,885 and 120,276 is: 185,739.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,885 : 120,276 = 120,276 : x
  2. Step 2: Convert to fraction form
    77,885/120,276 = 120,276/x
  3. Step 3: Cross multiply
    77,885x = 120,276 × 120,276
  4. Step 4: Simplify right side
    77,885x = 14,466,316,176
  5. Step 5: Solve for x
    x = 14,466,316,176/77,885
  6. Step 6: Final answer
    x = 185,739.44

Related Problems

Find third proportional to 38,942.50 and 60,138
Half scale
Find third proportional to 155,770 and 240,552
Double scale
Find third proportional to 77,887 and 120,279
Similar ratio
Find third proportional to 116,827.50 and 180,414
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.