Home / 78,912-119,188

Finding the Third Proportional to 78,912 and 119,188

Calculator

Solution

The third proportional to 78,912 and 119,188 is: 180,020.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,912 : 119,188 = 119,188 : x
  2. Step 2: Convert to fraction form
    78,912/119,188 = 119,188/x
  3. Step 3: Cross multiply
    78,912x = 119,188 × 119,188
  4. Step 4: Simplify right side
    78,912x = 14,205,779,344
  5. Step 5: Solve for x
    x = 14,205,779,344/78,912
  6. Step 6: Final answer
    x = 180,020.52

Related Problems

Find third proportional to 39,456 and 59,594
Half scale
Find third proportional to 157,824 and 238,376
Double scale
Find third proportional to 78,914 and 119,191
Similar ratio
Find third proportional to 118,368 and 178,782
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.