Home / 298,972-436,945

Finding the Third Proportional to 298,972 and 436,945

Calculator

Solution

The third proportional to 298,972 and 436,945 is: 638,591.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,972 : 436,945 = 436,945 : x
  2. Step 2: Convert to fraction form
    298,972/436,945 = 436,945/x
  3. Step 3: Cross multiply
    298,972x = 436,945 × 436,945
  4. Step 4: Simplify right side
    298,972x = 190,920,933,025
  5. Step 5: Solve for x
    x = 190,920,933,025/298,972
  6. Step 6: Final answer
    x = 638,591.35

Related Problems

Find third proportional to 149,486 and 218,472.50
Half scale
Find third proportional to 597,944 and 873,890
Double scale
Find third proportional to 298,974 and 436,948
Similar ratio
Find third proportional to 448,458 and 655,417.50
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.