Home / 56,518-85,506

Finding the Third Proportional to 56,518 and 85,506

Calculator

Solution

The third proportional to 56,518 and 85,506 is: 129,361.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,518 : 85,506 = 85,506 : x
  2. Step 2: Convert to fraction form
    56,518/85,506 = 85,506/x
  3. Step 3: Cross multiply
    56,518x = 85,506 × 85,506
  4. Step 4: Simplify right side
    56,518x = 7,311,276,036
  5. Step 5: Solve for x
    x = 7,311,276,036/56,518
  6. Step 6: Final answer
    x = 129,361.90

Related Problems

Find third proportional to 28,259 and 42,753
Half scale
Find third proportional to 113,036 and 171,012
Double scale
Find third proportional to 56,520 and 85,509
Similar ratio
Find third proportional to 84,777 and 128,259
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.