Home / 456,941-990,148

Finding the Third Proportional to 456,941 and 990,148

Calculator

Solution

The third proportional to 456,941 and 990,148 is: 2,145,557.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,941 : 990,148 = 990,148 : x
  2. Step 2: Convert to fraction form
    456,941/990,148 = 990,148/x
  3. Step 3: Cross multiply
    456,941x = 990,148 × 990,148
  4. Step 4: Simplify right side
    456,941x = 980,393,061,904
  5. Step 5: Solve for x
    x = 980,393,061,904/456,941
  6. Step 6: Final answer
    x = 2,145,557.22

Related Problems

Find third proportional to 228,470.50 and 495,074
Half scale
Find third proportional to 913,882 and 1,980,296
Double scale
Find third proportional to 456,943 and 990,152
Similar ratio
Find third proportional to 685,411.50 and 1,485,222
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.