Home / 518,691-788,696.50

Finding the Third Proportional to 518,691 and 788,696.50

Calculator

Solution

The third proportional to 518,691 and 788,696.50 is: 1,199,253.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,691 : 788,696.50 = 788,696.50 : x
  2. Step 2: Convert to fraction form
    518,691/788,696.50 = 788,696.50/x
  3. Step 3: Cross multiply
    518,691x = 788,696.50 × 788,696.50
  4. Step 4: Simplify right side
    518,691x = 622,042,169,112.25
  5. Step 5: Solve for x
    x = 622,042,169,112.25/518,691
  6. Step 6: Final answer
    x = 1,199,253.83

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.