Home / 489,298-756,214

Finding the Third Proportional to 489,298 and 756,214

Calculator

Solution

The third proportional to 489,298 and 756,214 is: 1,168,734.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,298 : 756,214 = 756,214 : x
  2. Step 2: Convert to fraction form
    489,298/756,214 = 756,214/x
  3. Step 3: Cross multiply
    489,298x = 756,214 × 756,214
  4. Step 4: Simplify right side
    489,298x = 571,859,613,796
  5. Step 5: Solve for x
    x = 571,859,613,796/489,298
  6. Step 6: Final answer
    x = 1,168,734.83

Related Problems

Find third proportional to 244,649 and 378,107
Half scale
Find third proportional to 978,596 and 1,512,428
Double scale
Find third proportional to 489,300 and 756,217
Similar ratio
Find third proportional to 733,947 and 1,134,321
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.