Home / 443,400-649,368

Finding the Third Proportional to 443,400 and 649,368

Calculator

Solution

The third proportional to 443,400 and 649,368 is: 951,012.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,400 : 649,368 = 649,368 : x
  2. Step 2: Convert to fraction form
    443,400/649,368 = 649,368/x
  3. Step 3: Cross multiply
    443,400x = 649,368 × 649,368
  4. Step 4: Simplify right side
    443,400x = 421,678,799,424
  5. Step 5: Solve for x
    x = 421,678,799,424/443,400
  6. Step 6: Final answer
    x = 951,012.18

Related Problems

Find third proportional to 221,700 and 324,684
Half scale
Find third proportional to 886,800 and 1,298,736
Double scale
Find third proportional to 443,402 and 649,371
Similar ratio
Find third proportional to 665,100 and 974,052
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.