Home / 138,519-214,906

Finding the Third Proportional to 138,519 and 214,906

Calculator

Solution

The third proportional to 138,519 and 214,906 is: 333,417.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,519 : 214,906 = 214,906 : x
  2. Step 2: Convert to fraction form
    138,519/214,906 = 214,906/x
  3. Step 3: Cross multiply
    138,519x = 214,906 × 214,906
  4. Step 4: Simplify right side
    138,519x = 46,184,588,836
  5. Step 5: Solve for x
    x = 46,184,588,836/138,519
  6. Step 6: Final answer
    x = 333,417.00

Related Problems

Find third proportional to 69,259.50 and 107,453
Half scale
Find third proportional to 277,038 and 429,812
Double scale
Find third proportional to 138,521 and 214,909
Similar ratio
Find third proportional to 207,778.50 and 322,359
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.