Home / 253,786-551,312

Finding the Third Proportional to 253,786 and 551,312

Calculator

Solution

The third proportional to 253,786 and 551,312 is: 1,197,642.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,786 : 551,312 = 551,312 : x
  2. Step 2: Convert to fraction form
    253,786/551,312 = 551,312/x
  3. Step 3: Cross multiply
    253,786x = 551,312 × 551,312
  4. Step 4: Simplify right side
    253,786x = 303,944,921,344
  5. Step 5: Solve for x
    x = 303,944,921,344/253,786
  6. Step 6: Final answer
    x = 1,197,642.59

Related Problems

Find third proportional to 126,893 and 275,656
Half scale
Find third proportional to 507,572 and 1,102,624
Double scale
Find third proportional to 253,788 and 551,316
Similar ratio
Find third proportional to 380,679 and 826,968
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.