Home / 74,686-156,296

Finding the Third Proportional to 74,686 and 156,296

Calculator

Solution

The third proportional to 74,686 and 156,296 is: 327,081.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,686 : 156,296 = 156,296 : x
  2. Step 2: Convert to fraction form
    74,686/156,296 = 156,296/x
  3. Step 3: Cross multiply
    74,686x = 156,296 × 156,296
  4. Step 4: Simplify right side
    74,686x = 24,428,439,616
  5. Step 5: Solve for x
    x = 24,428,439,616/74,686
  6. Step 6: Final answer
    x = 327,081.91

Related Problems

Find third proportional to 37,343 and 78,148
Half scale
Find third proportional to 149,372 and 312,592
Double scale
Find third proportional to 74,688 and 156,300
Similar ratio
Find third proportional to 112,029 and 234,444
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.