Home / 450,108-636,880

Finding the Third Proportional to 450,108 and 636,880

Calculator

Solution

The third proportional to 450,108 and 636,880 is: 901,152.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,108 : 636,880 = 636,880 : x
  2. Step 2: Convert to fraction form
    450,108/636,880 = 636,880/x
  3. Step 3: Cross multiply
    450,108x = 636,880 × 636,880
  4. Step 4: Simplify right side
    450,108x = 405,616,134,400
  5. Step 5: Solve for x
    x = 405,616,134,400/450,108
  6. Step 6: Final answer
    x = 901,152.91

Related Problems

Find third proportional to 225,054 and 318,440
Half scale
Find third proportional to 900,216 and 1,273,760
Double scale
Find third proportional to 450,110 and 636,883
Similar ratio
Find third proportional to 675,162 and 955,320
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.