Home / 282.56-612.94

Finding the Third Proportional to 282.56 and 612.94

Calculator

Solution

The third proportional to 282.56 and 612.94 is: 1,329.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    282.56 : 612.94 = 612.94 : x
  2. Step 2: Convert to fraction form
    282.56/612.94 = 612.94/x
  3. Step 3: Cross multiply
    282.56x = 612.94 × 612.94
  4. Step 4: Simplify right side
    282.56x = 375,692.38
  5. Step 5: Solve for x
    x = 375,692.38/282.56
  6. Step 6: Final answer
    x = 1,329.59

Related Problems

Find third proportional to 141.28 and 306.47
Half scale
Find third proportional to 565.13 and 1,225.88
Double scale
Find third proportional to 285 and 617
Similar ratio
Find third proportional to 423.84 and 919.41
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.