Home / 302,578-658,380

Finding the Third Proportional to 302,578 and 658,380

Calculator

Solution

The third proportional to 302,578 and 658,380 is: 1,432,570.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,578 : 658,380 = 658,380 : x
  2. Step 2: Convert to fraction form
    302,578/658,380 = 658,380/x
  3. Step 3: Cross multiply
    302,578x = 658,380 × 658,380
  4. Step 4: Simplify right side
    302,578x = 433,464,224,400
  5. Step 5: Solve for x
    x = 433,464,224,400/302,578
  6. Step 6: Final answer
    x = 1,432,570.19

Related Problems

Find third proportional to 151,289 and 329,190
Half scale
Find third proportional to 605,156 and 1,316,760
Double scale
Find third proportional to 302,580 and 658,384
Similar ratio
Find third proportional to 453,867 and 987,570
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.