Home / 54,690-85,674

Finding the Third Proportional to 54,690 and 85,674

Calculator

Solution

The third proportional to 54,690 and 85,674 is: 134,211.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,690 : 85,674 = 85,674 : x
  2. Step 2: Convert to fraction form
    54,690/85,674 = 85,674/x
  3. Step 3: Cross multiply
    54,690x = 85,674 × 85,674
  4. Step 4: Simplify right side
    54,690x = 7,340,034,276
  5. Step 5: Solve for x
    x = 7,340,034,276/54,690
  6. Step 6: Final answer
    x = 134,211.63

Related Problems

Find third proportional to 27,345 and 42,837
Half scale
Find third proportional to 109,380 and 171,348
Double scale
Find third proportional to 54,692 and 85,677
Similar ratio
Find third proportional to 82,035 and 128,511
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.