Home / 78,918-119,190

Finding the Third Proportional to 78,918 and 119,190

Calculator

Solution

The third proportional to 78,918 and 119,190 is: 180,012.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,918 : 119,190 = 119,190 : x
  2. Step 2: Convert to fraction form
    78,918/119,190 = 119,190/x
  3. Step 3: Cross multiply
    78,918x = 119,190 × 119,190
  4. Step 4: Simplify right side
    78,918x = 14,206,256,100
  5. Step 5: Solve for x
    x = 14,206,256,100/78,918
  6. Step 6: Final answer
    x = 180,012.88

Related Problems

Find third proportional to 39,459 and 59,595
Half scale
Find third proportional to 157,836 and 238,380
Double scale
Find third proportional to 78,920 and 119,193
Similar ratio
Find third proportional to 118,377 and 178,785
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.