Home / 394,275-617,685

Finding the Third Proportional to 394,275 and 617,685

Calculator

Solution

The third proportional to 394,275 and 617,685 is: 967,686.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,275 : 617,685 = 617,685 : x
  2. Step 2: Convert to fraction form
    394,275/617,685 = 617,685/x
  3. Step 3: Cross multiply
    394,275x = 617,685 × 617,685
  4. Step 4: Simplify right side
    394,275x = 381,534,759,225
  5. Step 5: Solve for x
    x = 381,534,759,225/394,275
  6. Step 6: Final answer
    x = 967,686.92

Related Problems

Find third proportional to 197,137.50 and 308,842.50
Half scale
Find third proportional to 788,550 and 1,235,370
Double scale
Find third proportional to 394,277 and 617,688
Similar ratio
Find third proportional to 591,412.50 and 926,527.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.