Home / 310-514.50

Finding the Third Proportional to 310 and 514.50

Calculator

Solution

The third proportional to 310 and 514.50 is: 853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    310 : 514.50 = 514.50 : x
  2. Step 2: Convert to fraction form
    310/514.50 = 514.50/x
  3. Step 3: Cross multiply
    310x = 514.50 × 514.50
  4. Step 4: Simplify right side
    310x = 264,710.25
  5. Step 5: Solve for x
    x = 264,710.25/310
  6. Step 6: Final answer
    x = 853.90

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.