Home / 614.25-681.75

Finding the Third Proportional to 614.25 and 681.75

Calculator

Solution

The third proportional to 614.25 and 681.75 is: 756.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.25 : 681.75 = 681.75 : x
  2. Step 2: Convert to fraction form
    614.25/681.75 = 681.75/x
  3. Step 3: Cross multiply
    614.25x = 681.75 × 681.75
  4. Step 4: Simplify right side
    614.25x = 464,783.06
  5. Step 5: Solve for x
    x = 464,783.06/614.25
  6. Step 6: Final answer
    x = 756.67

Related Problems

Find third proportional to 307.13 and 340.88
Half scale
Find third proportional to 1,228.50 and 1,363.50
Double scale
Find third proportional to 616 and 684
Similar ratio
Find third proportional to 921.38 and 1,022.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.