Home / 66,340-140,169

Finding the Third Proportional to 66,340 and 140,169

Calculator

Solution

The third proportional to 66,340 and 140,169 is: 296,161.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,340 : 140,169 = 140,169 : x
  2. Step 2: Convert to fraction form
    66,340/140,169 = 140,169/x
  3. Step 3: Cross multiply
    66,340x = 140,169 × 140,169
  4. Step 4: Simplify right side
    66,340x = 19,647,348,561
  5. Step 5: Solve for x
    x = 19,647,348,561/66,340
  6. Step 6: Final answer
    x = 296,161.42

Related Problems

Find third proportional to 33,170 and 70,084.50
Half scale
Find third proportional to 132,680 and 280,338
Double scale
Find third proportional to 66,342 and 140,173
Similar ratio
Find third proportional to 99,510 and 210,253.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.