Home / 305,226-661,298

Finding the Third Proportional to 305,226 and 661,298

Calculator

Solution

The third proportional to 305,226 and 661,298 is: 1,432,758.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,226 : 661,298 = 661,298 : x
  2. Step 2: Convert to fraction form
    305,226/661,298 = 661,298/x
  3. Step 3: Cross multiply
    305,226x = 661,298 × 661,298
  4. Step 4: Simplify right side
    305,226x = 437,315,044,804
  5. Step 5: Solve for x
    x = 437,315,044,804/305,226
  6. Step 6: Final answer
    x = 1,432,758.17

Related Problems

Find third proportional to 152,613 and 330,649
Half scale
Find third proportional to 610,452 and 1,322,596
Double scale
Find third proportional to 305,228 and 661,302
Similar ratio
Find third proportional to 457,839 and 991,947
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.