Home / 442.13-700.31

Finding the Third Proportional to 442.13 and 700.31

Calculator

Solution

The third proportional to 442.13 and 700.31 is: 1,109.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    442.13 : 700.31 = 700.31 : x
  2. Step 2: Convert to fraction form
    442.13/700.31 = 700.31/x
  3. Step 3: Cross multiply
    442.13x = 700.31 × 700.31
  4. Step 4: Simplify right side
    442.13x = 490,437.60
  5. Step 5: Solve for x
    x = 490,437.60/442.13
  6. Step 6: Final answer
    x = 1,109.27

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.