Home / 136,218-204,513

Finding the Third Proportional to 136,218 and 204,513

Calculator

Solution

The third proportional to 136,218 and 204,513 is: 307,048.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,218 : 204,513 = 204,513 : x
  2. Step 2: Convert to fraction form
    136,218/204,513 = 204,513/x
  3. Step 3: Cross multiply
    136,218x = 204,513 × 204,513
  4. Step 4: Simplify right side
    136,218x = 41,825,567,169
  5. Step 5: Solve for x
    x = 41,825,567,169/136,218
  6. Step 6: Final answer
    x = 307,048.75

Related Problems

Find third proportional to 68,109 and 102,256.50
Half scale
Find third proportional to 272,436 and 409,026
Double scale
Find third proportional to 136,220 and 204,516
Similar ratio
Find third proportional to 204,327 and 306,769.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.