Home / 673.50-693.75

Finding the Third Proportional to 673.50 and 693.75

Calculator

Solution

The third proportional to 673.50 and 693.75 is: 714.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    673.50 : 693.75 = 693.75 : x
  2. Step 2: Convert to fraction form
    673.50/693.75 = 693.75/x
  3. Step 3: Cross multiply
    673.50x = 693.75 × 693.75
  4. Step 4: Simplify right side
    673.50x = 481,289.06
  5. Step 5: Solve for x
    x = 481,289.06/673.50
  6. Step 6: Final answer
    x = 714.61

Related Problems

Find third proportional to 336.75 and 346.88
Half scale
Find third proportional to 1,347 and 1,387.50
Double scale
Find third proportional to 676 and 696
Similar ratio
Find third proportional to 1,010.25 and 1,040.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.