Home / 387,753-810,822

Finding the Third Proportional to 387,753 and 810,822

Calculator

Solution

The third proportional to 387,753 and 810,822 is: 1,695,492.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,753 : 810,822 = 810,822 : x
  2. Step 2: Convert to fraction form
    387,753/810,822 = 810,822/x
  3. Step 3: Cross multiply
    387,753x = 810,822 × 810,822
  4. Step 4: Simplify right side
    387,753x = 657,432,315,684
  5. Step 5: Solve for x
    x = 657,432,315,684/387,753
  6. Step 6: Final answer
    x = 1,695,492.53

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.