Home / 208,836-336,258

Finding the Third Proportional to 208,836 and 336,258

Calculator

Solution

The third proportional to 208,836 and 336,258 is: 541,426.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,836 : 336,258 = 336,258 : x
  2. Step 2: Convert to fraction form
    208,836/336,258 = 336,258/x
  3. Step 3: Cross multiply
    208,836x = 336,258 × 336,258
  4. Step 4: Simplify right side
    208,836x = 113,069,442,564
  5. Step 5: Solve for x
    x = 113,069,442,564/208,836
  6. Step 6: Final answer
    x = 541,426.97

Related Problems

Find third proportional to 104,418 and 168,129
Half scale
Find third proportional to 417,672 and 672,516
Double scale
Find third proportional to 208,838 and 336,261
Similar ratio
Find third proportional to 313,254 and 504,387
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.