Home / 156,152-347,242

Finding the Third Proportional to 156,152 and 347,242

Calculator

Solution

The third proportional to 156,152 and 347,242 is: 772,177.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,152 : 347,242 = 347,242 : x
  2. Step 2: Convert to fraction form
    156,152/347,242 = 347,242/x
  3. Step 3: Cross multiply
    156,152x = 347,242 × 347,242
  4. Step 4: Simplify right side
    156,152x = 120,577,006,564
  5. Step 5: Solve for x
    x = 120,577,006,564/156,152
  6. Step 6: Final answer
    x = 772,177.15

Related Problems

Find third proportional to 78,076 and 173,621
Half scale
Find third proportional to 312,304 and 694,484
Double scale
Find third proportional to 156,154 and 347,246
Similar ratio
Find third proportional to 234,228 and 520,863
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.