Home / 397,554-616,257

Finding the Third Proportional to 397,554 and 616,257

Calculator

Solution

The third proportional to 397,554 and 616,257 is: 955,273.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,554 : 616,257 = 616,257 : x
  2. Step 2: Convert to fraction form
    397,554/616,257 = 616,257/x
  3. Step 3: Cross multiply
    397,554x = 616,257 × 616,257
  4. Step 4: Simplify right side
    397,554x = 379,772,690,049
  5. Step 5: Solve for x
    x = 379,772,690,049/397,554
  6. Step 6: Final answer
    x = 955,273.22

Related Problems

Find third proportional to 198,777 and 308,128.50
Half scale
Find third proportional to 795,108 and 1,232,514
Double scale
Find third proportional to 397,556 and 616,260
Similar ratio
Find third proportional to 596,331 and 924,385.50
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.