Home / 452.81-687.66

Finding the Third Proportional to 452.81 and 687.66

Calculator

Solution

The third proportional to 452.81 and 687.66 is: 1,044.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.81 : 687.66 = 687.66 : x
  2. Step 2: Convert to fraction form
    452.81/687.66 = 687.66/x
  3. Step 3: Cross multiply
    452.81x = 687.66 × 687.66
  4. Step 4: Simplify right side
    452.81x = 472,871.12
  5. Step 5: Solve for x
    x = 472,871.12/452.81
  6. Step 6: Final answer
    x = 1,044.30

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.