Home / 70,402-156,356

Finding the Third Proportional to 70,402 and 156,356

Calculator

Solution

The third proportional to 70,402 and 156,356 is: 347,251.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,402 : 156,356 = 156,356 : x
  2. Step 2: Convert to fraction form
    70,402/156,356 = 156,356/x
  3. Step 3: Cross multiply
    70,402x = 156,356 × 156,356
  4. Step 4: Simplify right side
    70,402x = 24,447,198,736
  5. Step 5: Solve for x
    x = 24,447,198,736/70,402
  6. Step 6: Final answer
    x = 347,251.48

Related Problems

Find third proportional to 35,201 and 78,178
Half scale
Find third proportional to 140,804 and 312,712
Double scale
Find third proportional to 70,404 and 156,360
Similar ratio
Find third proportional to 105,603 and 234,534
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.