Home / 356,847-521,868

Finding the Third Proportional to 356,847 and 521,868

Calculator

Solution

The third proportional to 356,847 and 521,868 is: 763,201.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,847 : 521,868 = 521,868 : x
  2. Step 2: Convert to fraction form
    356,847/521,868 = 521,868/x
  3. Step 3: Cross multiply
    356,847x = 521,868 × 521,868
  4. Step 4: Simplify right side
    356,847x = 272,346,209,424
  5. Step 5: Solve for x
    x = 272,346,209,424/356,847
  6. Step 6: Final answer
    x = 763,201.62

Related Problems

Find third proportional to 178,423.50 and 260,934
Half scale
Find third proportional to 713,694 and 1,043,736
Double scale
Find third proportional to 356,849 and 521,871
Similar ratio
Find third proportional to 535,270.50 and 782,802
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.