Home / 778,860-1,137,654

Finding the Third Proportional to 778,860 and 1,137,654

Calculator

Solution

The third proportional to 778,860 and 1,137,654 is: 1,661,732.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,860 : 1,137,654 = 1,137,654 : x
  2. Step 2: Convert to fraction form
    778,860/1,137,654 = 1,137,654/x
  3. Step 3: Cross multiply
    778,860x = 1,137,654 × 1,137,654
  4. Step 4: Simplify right side
    778,860x = 1,294,256,623,716
  5. Step 5: Solve for x
    x = 1,294,256,623,716/778,860
  6. Step 6: Final answer
    x = 1,661,732.05

Related Problems

Find third proportional to 389,430 and 568,827
Half scale
Find third proportional to 1,557,720 and 2,275,308
Double scale
Find third proportional to 778,862 and 1,137,657
Similar ratio
Find third proportional to 1,168,290 and 1,706,481
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.