Home / 633.75-1,668.75

Finding the Third Proportional to 633.75 and 1,668.75

Calculator

Solution

The third proportional to 633.75 and 1,668.75 is: 4,394.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.75 : 1,668.75 = 1,668.75 : x
  2. Step 2: Convert to fraction form
    633.75/1,668.75 = 1,668.75/x
  3. Step 3: Cross multiply
    633.75x = 1,668.75 × 1,668.75
  4. Step 4: Simplify right side
    633.75x = 2,784,726.56
  5. Step 5: Solve for x
    x = 2,784,726.56/633.75
  6. Step 6: Final answer
    x = 4,394.05

Related Problems

Find third proportional to 316.88 and 834.38
Half scale
Find third proportional to 1,267.50 and 3,337.50
Double scale
Find third proportional to 636 and 1,674
Similar ratio
Find third proportional to 950.63 and 2,503.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.