Home / 76,943-115,415

Finding the Third Proportional to 76,943 and 115,415

Calculator

Solution

The third proportional to 76,943 and 115,415 is: 173,123.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,943 : 115,415 = 115,415 : x
  2. Step 2: Convert to fraction form
    76,943/115,415 = 115,415/x
  3. Step 3: Cross multiply
    76,943x = 115,415 × 115,415
  4. Step 4: Simplify right side
    76,943x = 13,320,622,225
  5. Step 5: Solve for x
    x = 13,320,622,225/76,943
  6. Step 6: Final answer
    x = 173,123.25

Related Problems

Find third proportional to 38,471.50 and 57,707.50
Half scale
Find third proportional to 153,886 and 230,830
Double scale
Find third proportional to 76,945 and 115,418
Similar ratio
Find third proportional to 115,414.50 and 173,122.50
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.