Home / 356,856-521,883

Finding the Third Proportional to 356,856 and 521,883

Calculator

Solution

The third proportional to 356,856 and 521,883 is: 763,226.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,856 : 521,883 = 521,883 : x
  2. Step 2: Convert to fraction form
    356,856/521,883 = 521,883/x
  3. Step 3: Cross multiply
    356,856x = 521,883 × 521,883
  4. Step 4: Simplify right side
    356,856x = 272,361,865,689
  5. Step 5: Solve for x
    x = 272,361,865,689/356,856
  6. Step 6: Final answer
    x = 763,226.25

Related Problems

Find third proportional to 178,428 and 260,941.50
Half scale
Find third proportional to 713,712 and 1,043,766
Double scale
Find third proportional to 356,858 and 521,886
Similar ratio
Find third proportional to 535,284 and 782,824.50
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.