Home / 682.75-907.75

Finding the Third Proportional to 682.75 and 907.75

Calculator

Solution

The third proportional to 682.75 and 907.75 is: 1,206.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    682.75 : 907.75 = 907.75 : x
  2. Step 2: Convert to fraction form
    682.75/907.75 = 907.75/x
  3. Step 3: Cross multiply
    682.75x = 907.75 × 907.75
  4. Step 4: Simplify right side
    682.75x = 824,010.06
  5. Step 5: Solve for x
    x = 824,010.06/682.75
  6. Step 6: Final answer
    x = 1,206.90

Related Problems

Find third proportional to 341.38 and 453.88
Half scale
Find third proportional to 1,365.50 and 1,815.50
Double scale
Find third proportional to 685 and 910
Similar ratio
Find third proportional to 1,024.13 and 1,361.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.