Home / 430.50-695.25

Finding the Third Proportional to 430.50 and 695.25

Calculator

Solution

The third proportional to 430.50 and 695.25 is: 1,122.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    430.50 : 695.25 = 695.25 : x
  2. Step 2: Convert to fraction form
    430.50/695.25 = 695.25/x
  3. Step 3: Cross multiply
    430.50x = 695.25 × 695.25
  4. Step 4: Simplify right side
    430.50x = 483,372.56
  5. Step 5: Solve for x
    x = 483,372.56/430.50
  6. Step 6: Final answer
    x = 1,122.82

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.