Home / 568.63-869.38

Finding the Third Proportional to 568.63 and 869.38

Calculator

Solution

The third proportional to 568.63 and 869.38 is: 1,329.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.63 : 869.38 = 869.38 : x
  2. Step 2: Convert to fraction form
    568.63/869.38 = 869.38/x
  3. Step 3: Cross multiply
    568.63x = 869.38 × 869.38
  4. Step 4: Simplify right side
    568.63x = 755,812.89
  5. Step 5: Solve for x
    x = 755,812.89/568.63
  6. Step 6: Final answer
    x = 1,329.19

Related Problems

Find third proportional to 284.31 and 434.69
Half scale
Find third proportional to 1,137.25 and 1,738.75
Double scale
Find third proportional to 571 and 872
Similar ratio
Find third proportional to 852.94 and 1,304.06
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.