Home / 303,980-521,578

Finding the Third Proportional to 303,980 and 521,578

Calculator

Solution

The third proportional to 303,980 and 521,578 is: 894,939.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,980 : 521,578 = 521,578 : x
  2. Step 2: Convert to fraction form
    303,980/521,578 = 521,578/x
  3. Step 3: Cross multiply
    303,980x = 521,578 × 521,578
  4. Step 4: Simplify right side
    303,980x = 272,043,610,084
  5. Step 5: Solve for x
    x = 272,043,610,084/303,980
  6. Step 6: Final answer
    x = 894,939.17

Related Problems

Find third proportional to 151,990 and 260,789
Half scale
Find third proportional to 607,960 and 1,043,156
Double scale
Find third proportional to 303,982 and 521,581
Similar ratio
Find third proportional to 455,970 and 782,367
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.