Home / 77,376-122,976

Finding the Third Proportional to 77,376 and 122,976

Calculator

Solution

The third proportional to 77,376 and 122,976 is: 195,449.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,376 : 122,976 = 122,976 : x
  2. Step 2: Convert to fraction form
    77,376/122,976 = 122,976/x
  3. Step 3: Cross multiply
    77,376x = 122,976 × 122,976
  4. Step 4: Simplify right side
    77,376x = 15,123,096,576
  5. Step 5: Solve for x
    x = 15,123,096,576/77,376
  6. Step 6: Final answer
    x = 195,449.45

Related Problems

Find third proportional to 38,688 and 61,488
Half scale
Find third proportional to 154,752 and 245,952
Double scale
Find third proportional to 77,378 and 122,979
Similar ratio
Find third proportional to 116,064 and 184,464
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.