Home / 381,718-822,080

Finding the Third Proportional to 381,718 and 822,080

Calculator

Solution

The third proportional to 381,718 and 822,080 is: 1,770,457.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,718 : 822,080 = 822,080 : x
  2. Step 2: Convert to fraction form
    381,718/822,080 = 822,080/x
  3. Step 3: Cross multiply
    381,718x = 822,080 × 822,080
  4. Step 4: Simplify right side
    381,718x = 675,815,526,400
  5. Step 5: Solve for x
    x = 675,815,526,400/381,718
  6. Step 6: Final answer
    x = 1,770,457.58

Related Problems

Find third proportional to 190,859 and 411,040
Half scale
Find third proportional to 763,436 and 1,644,160
Double scale
Find third proportional to 381,720 and 822,084
Similar ratio
Find third proportional to 572,577 and 1,233,120
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.