Home / 78,948-122,214

Finding the Third Proportional to 78,948 and 122,214

Calculator

Solution

The third proportional to 78,948 and 122,214 is: 189,191.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,948 : 122,214 = 122,214 : x
  2. Step 2: Convert to fraction form
    78,948/122,214 = 122,214/x
  3. Step 3: Cross multiply
    78,948x = 122,214 × 122,214
  4. Step 4: Simplify right side
    78,948x = 14,936,261,796
  5. Step 5: Solve for x
    x = 14,936,261,796/78,948
  6. Step 6: Final answer
    x = 189,191.14

Related Problems

Find third proportional to 39,474 and 61,107
Half scale
Find third proportional to 157,896 and 244,428
Double scale
Find third proportional to 78,950 and 122,217
Similar ratio
Find third proportional to 118,422 and 183,321
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.