Home / 388,626-836,302

Finding the Third Proportional to 388,626 and 836,302

Calculator

Solution

The third proportional to 388,626 and 836,302 is: 1,799,676.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,626 : 836,302 = 836,302 : x
  2. Step 2: Convert to fraction form
    388,626/836,302 = 836,302/x
  3. Step 3: Cross multiply
    388,626x = 836,302 × 836,302
  4. Step 4: Simplify right side
    388,626x = 699,401,035,204
  5. Step 5: Solve for x
    x = 699,401,035,204/388,626
  6. Step 6: Final answer
    x = 1,799,676.39

Related Problems

Find third proportional to 194,313 and 418,151
Half scale
Find third proportional to 777,252 and 1,672,604
Double scale
Find third proportional to 388,628 and 836,306
Similar ratio
Find third proportional to 582,939 and 1,254,453
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.