Home / 518,352.19-811,387.13

Finding the Third Proportional to 518,352.19 and 811,387.13

Calculator

Solution

The third proportional to 518,352.19 and 811,387.13 is: 1,270,080.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,352.19 : 811,387.13 = 811,387.13 : x
  2. Step 2: Convert to fraction form
    518,352.19/811,387.13 = 811,387.13/x
  3. Step 3: Cross multiply
    518,352.19x = 811,387.13 × 811,387.13
  4. Step 4: Simplify right side
    518,352.19x = 658,349,066,615.77
  5. Step 5: Solve for x
    x = 658,349,066,615.77/518,352.19
  6. Step 6: Final answer
    x = 1,270,080.62

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.