Home / 387,236-820,624

Finding the Third Proportional to 387,236 and 820,624

Calculator

Solution

The third proportional to 387,236 and 820,624 is: 1,739,052.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,236 : 820,624 = 820,624 : x
  2. Step 2: Convert to fraction form
    387,236/820,624 = 820,624/x
  3. Step 3: Cross multiply
    387,236x = 820,624 × 820,624
  4. Step 4: Simplify right side
    387,236x = 673,423,749,376
  5. Step 5: Solve for x
    x = 673,423,749,376/387,236
  6. Step 6: Final answer
    x = 1,739,052.54

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.