Home / 138,526-214,917

Finding the Third Proportional to 138,526 and 214,917

Calculator

Solution

The third proportional to 138,526 and 214,917 is: 333,434.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,526 : 214,917 = 214,917 : x
  2. Step 2: Convert to fraction form
    138,526/214,917 = 214,917/x
  3. Step 3: Cross multiply
    138,526x = 214,917 × 214,917
  4. Step 4: Simplify right side
    138,526x = 46,189,316,889
  5. Step 5: Solve for x
    x = 46,189,316,889/138,526
  6. Step 6: Final answer
    x = 333,434.28

Related Problems

Find third proportional to 69,263 and 107,458.50
Half scale
Find third proportional to 277,052 and 429,834
Double scale
Find third proportional to 138,528 and 214,920
Similar ratio
Find third proportional to 207,789 and 322,375.50
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.