Home / 70,418-156,580

Finding the Third Proportional to 70,418 and 156,580

Calculator

Solution

The third proportional to 70,418 and 156,580 is: 348,168.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,418 : 156,580 = 156,580 : x
  2. Step 2: Convert to fraction form
    70,418/156,580 = 156,580/x
  3. Step 3: Cross multiply
    70,418x = 156,580 × 156,580
  4. Step 4: Simplify right side
    70,418x = 24,517,296,400
  5. Step 5: Solve for x
    x = 24,517,296,400/70,418
  6. Step 6: Final answer
    x = 348,168.03

Related Problems

Find third proportional to 35,209 and 78,290
Half scale
Find third proportional to 140,836 and 313,160
Double scale
Find third proportional to 70,420 and 156,584
Similar ratio
Find third proportional to 105,627 and 234,870
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.