Home / 54,712-85,716

Finding the Third Proportional to 54,712 and 85,716

Calculator

Solution

The third proportional to 54,712 and 85,716 is: 134,289.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,712 : 85,716 = 85,716 : x
  2. Step 2: Convert to fraction form
    54,712/85,716 = 85,716/x
  3. Step 3: Cross multiply
    54,712x = 85,716 × 85,716
  4. Step 4: Simplify right side
    54,712x = 7,347,232,656
  5. Step 5: Solve for x
    x = 7,347,232,656/54,712
  6. Step 6: Final answer
    x = 134,289.24

Related Problems

Find third proportional to 27,356 and 42,858
Half scale
Find third proportional to 109,424 and 171,432
Double scale
Find third proportional to 54,714 and 85,719
Similar ratio
Find third proportional to 82,068 and 128,574
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.