Home / 112,712-169,512

Finding the Third Proportional to 112,712 and 169,512

Calculator

Solution

The third proportional to 112,712 and 169,512 is: 254,935.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,712 : 169,512 = 169,512 : x
  2. Step 2: Convert to fraction form
    112,712/169,512 = 169,512/x
  3. Step 3: Cross multiply
    112,712x = 169,512 × 169,512
  4. Step 4: Simplify right side
    112,712x = 28,734,318,144
  5. Step 5: Solve for x
    x = 28,734,318,144/112,712
  6. Step 6: Final answer
    x = 254,935.75

Related Problems

Find third proportional to 56,356 and 84,756
Half scale
Find third proportional to 225,424 and 339,024
Double scale
Find third proportional to 112,714 and 169,515
Similar ratio
Find third proportional to 169,068 and 254,268
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.