Home / 316,236-684,960

Finding the Third Proportional to 316,236 and 684,960

Calculator

Solution

The third proportional to 316,236 and 684,960 is: 1,483,607.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,236 : 684,960 = 684,960 : x
  2. Step 2: Convert to fraction form
    316,236/684,960 = 684,960/x
  3. Step 3: Cross multiply
    316,236x = 684,960 × 684,960
  4. Step 4: Simplify right side
    316,236x = 469,170,201,600
  5. Step 5: Solve for x
    x = 469,170,201,600/316,236
  6. Step 6: Final answer
    x = 1,483,607.82

Related Problems

Find third proportional to 158,118 and 342,480
Half scale
Find third proportional to 632,472 and 1,369,920
Double scale
Find third proportional to 316,238 and 684,964
Similar ratio
Find third proportional to 474,354 and 1,027,440
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.