Home / 451,518-986,988

Finding the Third Proportional to 451,518 and 986,988

Calculator

Solution

The third proportional to 451,518 and 986,988 is: 2,157,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,518 : 986,988 = 986,988 : x
  2. Step 2: Convert to fraction form
    451,518/986,988 = 986,988/x
  3. Step 3: Cross multiply
    451,518x = 986,988 × 986,988
  4. Step 4: Simplify right side
    451,518x = 974,145,312,144
  5. Step 5: Solve for x
    x = 974,145,312,144/451,518
  6. Step 6: Final answer
    x = 2,157,489.43

Related Problems

Find third proportional to 225,759 and 493,494
Half scale
Find third proportional to 903,036 and 1,973,976
Double scale
Find third proportional to 451,520 and 986,992
Similar ratio
Find third proportional to 677,277 and 1,480,482
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.