Home / 539,940-838,208

Finding the Third Proportional to 539,940 and 838,208

Calculator

Solution

The third proportional to 539,940 and 838,208 is: 1,301,242.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,940 : 838,208 = 838,208 : x
  2. Step 2: Convert to fraction form
    539,940/838,208 = 838,208/x
  3. Step 3: Cross multiply
    539,940x = 838,208 × 838,208
  4. Step 4: Simplify right side
    539,940x = 702,592,651,264
  5. Step 5: Solve for x
    x = 702,592,651,264/539,940
  6. Step 6: Final answer
    x = 1,301,242.08

Related Problems

Find third proportional to 269,970 and 419,104
Half scale
Find third proportional to 1,079,880 and 1,676,416
Double scale
Find third proportional to 539,942 and 838,211
Similar ratio
Find third proportional to 809,910 and 1,257,312
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.