Home / 568.75-861.75

Finding the Third Proportional to 568.75 and 861.75

Calculator

Solution

The third proportional to 568.75 and 861.75 is: 1,305.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.75 : 861.75 = 861.75 : x
  2. Step 2: Convert to fraction form
    568.75/861.75 = 861.75/x
  3. Step 3: Cross multiply
    568.75x = 861.75 × 861.75
  4. Step 4: Simplify right side
    568.75x = 742,613.06
  5. Step 5: Solve for x
    x = 742,613.06/568.75
  6. Step 6: Final answer
    x = 1,305.69

Related Problems

Find third proportional to 284.38 and 430.88
Half scale
Find third proportional to 1,137.50 and 1,723.50
Double scale
Find third proportional to 571 and 865
Similar ratio
Find third proportional to 853.13 and 1,292.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.