Home / 325,972-687,341

Finding the Third Proportional to 325,972 and 687,341

Calculator

Solution

The third proportional to 325,972 and 687,341 is: 1,449,319.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,972 : 687,341 = 687,341 : x
  2. Step 2: Convert to fraction form
    325,972/687,341 = 687,341/x
  3. Step 3: Cross multiply
    325,972x = 687,341 × 687,341
  4. Step 4: Simplify right side
    325,972x = 472,437,650,281
  5. Step 5: Solve for x
    x = 472,437,650,281/325,972
  6. Step 6: Final answer
    x = 1,449,319.73

Related Problems

Find third proportional to 162,986 and 343,670.50
Half scale
Find third proportional to 651,944 and 1,374,682
Double scale
Find third proportional to 325,974 and 687,345
Similar ratio
Find third proportional to 488,958 and 1,031,011.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.