Home / 435,864-666,480

Finding the Third Proportional to 435,864 and 666,480

Calculator

Solution

The third proportional to 435,864 and 666,480 is: 1,019,115.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,864 : 666,480 = 666,480 : x
  2. Step 2: Convert to fraction form
    435,864/666,480 = 666,480/x
  3. Step 3: Cross multiply
    435,864x = 666,480 × 666,480
  4. Step 4: Simplify right side
    435,864x = 444,195,590,400
  5. Step 5: Solve for x
    x = 444,195,590,400/435,864
  6. Step 6: Final answer
    x = 1,019,115.11

Related Problems

Find third proportional to 217,932 and 333,240
Half scale
Find third proportional to 871,728 and 1,332,960
Double scale
Find third proportional to 435,866 and 666,483
Similar ratio
Find third proportional to 653,796 and 999,720
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.