Home / 376,937-820,356

Finding the Third Proportional to 376,937 and 820,356

Calculator

Solution

The third proportional to 376,937 and 820,356 is: 1,785,401.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,937 : 820,356 = 820,356 : x
  2. Step 2: Convert to fraction form
    376,937/820,356 = 820,356/x
  3. Step 3: Cross multiply
    376,937x = 820,356 × 820,356
  4. Step 4: Simplify right side
    376,937x = 672,983,966,736
  5. Step 5: Solve for x
    x = 672,983,966,736/376,937
  6. Step 6: Final answer
    x = 1,785,401.72

Related Problems

Find third proportional to 188,468.50 and 410,178
Half scale
Find third proportional to 753,874 and 1,640,712
Double scale
Find third proportional to 376,939 and 820,360
Similar ratio
Find third proportional to 565,405.50 and 1,230,534
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.