Home / 253,231-386,278

Finding the Third Proportional to 253,231 and 386,278

Calculator

Solution

The third proportional to 253,231 and 386,278 is: 589,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,231 : 386,278 = 386,278 : x
  2. Step 2: Convert to fraction form
    253,231/386,278 = 386,278/x
  3. Step 3: Cross multiply
    253,231x = 386,278 × 386,278
  4. Step 4: Simplify right side
    253,231x = 149,210,693,284
  5. Step 5: Solve for x
    x = 149,210,693,284/253,231
  6. Step 6: Final answer
    x = 589,227.60

Related Problems

Find third proportional to 126,615.50 and 193,139
Half scale
Find third proportional to 506,462 and 772,556
Double scale
Find third proportional to 253,233 and 386,281
Similar ratio
Find third proportional to 379,846.50 and 579,417
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.