Home / 658-870.50

Finding the Third Proportional to 658 and 870.50

Calculator

Solution

The third proportional to 658 and 870.50 is: 1,151.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    658 : 870.50 = 870.50 : x
  2. Step 2: Convert to fraction form
    658/870.50 = 870.50/x
  3. Step 3: Cross multiply
    658x = 870.50 × 870.50
  4. Step 4: Simplify right side
    658x = 757,770.25
  5. Step 5: Solve for x
    x = 757,770.25/658
  6. Step 6: Final answer
    x = 1,151.63

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.