Home / 55,890-85,779

Finding the Third Proportional to 55,890 and 85,779

Calculator

Solution

The third proportional to 55,890 and 85,779 is: 131,652.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,890 : 85,779 = 85,779 : x
  2. Step 2: Convert to fraction form
    55,890/85,779 = 85,779/x
  3. Step 3: Cross multiply
    55,890x = 85,779 × 85,779
  4. Step 4: Simplify right side
    55,890x = 7,358,036,841
  5. Step 5: Solve for x
    x = 7,358,036,841/55,890
  6. Step 6: Final answer
    x = 131,652.12

Related Problems

Find third proportional to 27,945 and 42,889.50
Half scale
Find third proportional to 111,780 and 171,558
Double scale
Find third proportional to 55,892 and 85,782
Similar ratio
Find third proportional to 83,835 and 128,668.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.