Home / 77,512-115,964

Finding the Third Proportional to 77,512 and 115,964

Calculator

Solution

The third proportional to 77,512 and 115,964 is: 173,491.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,512 : 115,964 = 115,964 : x
  2. Step 2: Convert to fraction form
    77,512/115,964 = 115,964/x
  3. Step 3: Cross multiply
    77,512x = 115,964 × 115,964
  4. Step 4: Simplify right side
    77,512x = 13,447,649,296
  5. Step 5: Solve for x
    x = 13,447,649,296/77,512
  6. Step 6: Final answer
    x = 173,491.19

Related Problems

Find third proportional to 38,756 and 57,982
Half scale
Find third proportional to 155,024 and 231,928
Double scale
Find third proportional to 77,514 and 115,967
Similar ratio
Find third proportional to 116,268 and 173,946
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.