Home / 455,886-989,046

Finding the Third Proportional to 455,886 and 989,046

Calculator

Solution

The third proportional to 455,886 and 989,046 is: 2,145,738.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,886 : 989,046 = 989,046 : x
  2. Step 2: Convert to fraction form
    455,886/989,046 = 989,046/x
  3. Step 3: Cross multiply
    455,886x = 989,046 × 989,046
  4. Step 4: Simplify right side
    455,886x = 978,211,990,116
  5. Step 5: Solve for x
    x = 978,211,990,116/455,886
  6. Step 6: Final answer
    x = 2,145,738.17

Related Problems

Find third proportional to 227,943 and 494,523
Half scale
Find third proportional to 911,772 and 1,978,092
Double scale
Find third proportional to 455,888 and 989,050
Similar ratio
Find third proportional to 683,829 and 1,483,569
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.