Home / 780,142-1,241,268

Finding the Third Proportional to 780,142 and 1,241,268

Calculator

Solution

The third proportional to 780,142 and 1,241,268 is: 1,974,956.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,142 : 1,241,268 = 1,241,268 : x
  2. Step 2: Convert to fraction form
    780,142/1,241,268 = 1,241,268/x
  3. Step 3: Cross multiply
    780,142x = 1,241,268 × 1,241,268
  4. Step 4: Simplify right side
    780,142x = 1,540,746,247,824
  5. Step 5: Solve for x
    x = 1,540,746,247,824/780,142
  6. Step 6: Final answer
    x = 1,974,956.16

Related Problems

Find third proportional to 390,071 and 620,634
Half scale
Find third proportional to 1,560,284 and 2,482,536
Double scale
Find third proportional to 780,144 and 1,241,271
Similar ratio
Find third proportional to 1,170,213 and 1,861,902
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.