Home / 136,179-199,890

Finding the Third Proportional to 136,179 and 199,890

Calculator

Solution

The third proportional to 136,179 and 199,890 is: 293,408.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,179 : 199,890 = 199,890 : x
  2. Step 2: Convert to fraction form
    136,179/199,890 = 199,890/x
  3. Step 3: Cross multiply
    136,179x = 199,890 × 199,890
  4. Step 4: Simplify right side
    136,179x = 39,956,012,100
  5. Step 5: Solve for x
    x = 39,956,012,100/136,179
  6. Step 6: Final answer
    x = 293,408.03

Related Problems

Find third proportional to 68,089.50 and 99,945
Half scale
Find third proportional to 272,358 and 399,780
Double scale
Find third proportional to 136,181 and 199,893
Similar ratio
Find third proportional to 204,268.50 and 299,835
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.