Home / 39,798-85,813

Finding the Third Proportional to 39,798 and 85,813

Calculator

Solution

The third proportional to 39,798 and 85,813 is: 185,031.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,798 : 85,813 = 85,813 : x
  2. Step 2: Convert to fraction form
    39,798/85,813 = 85,813/x
  3. Step 3: Cross multiply
    39,798x = 85,813 × 85,813
  4. Step 4: Simplify right side
    39,798x = 7,363,870,969
  5. Step 5: Solve for x
    x = 7,363,870,969/39,798
  6. Step 6: Final answer
    x = 185,031.18

Related Problems

Find third proportional to 19,899 and 42,906.50
Half scale
Find third proportional to 79,596 and 171,626
Double scale
Find third proportional to 39,800 and 85,817
Similar ratio
Find third proportional to 59,697 and 128,719.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.