Home / 170,606-258,258

Finding the Third Proportional to 170,606 and 258,258

Calculator

Solution

The third proportional to 170,606 and 258,258 is: 390,942.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,606 : 258,258 = 258,258 : x
  2. Step 2: Convert to fraction form
    170,606/258,258 = 258,258/x
  3. Step 3: Cross multiply
    170,606x = 258,258 × 258,258
  4. Step 4: Simplify right side
    170,606x = 66,697,194,564
  5. Step 5: Solve for x
    x = 66,697,194,564/170,606
  6. Step 6: Final answer
    x = 390,942.84

Related Problems

Find third proportional to 85,303 and 129,129
Half scale
Find third proportional to 341,212 and 516,516
Double scale
Find third proportional to 170,608 and 258,261
Similar ratio
Find third proportional to 255,909 and 387,387
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.