Home / 426,856-919,920

Finding the Third Proportional to 426,856 and 919,920

Calculator

Solution

The third proportional to 426,856 and 919,920 is: 1,982,525.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,856 : 919,920 = 919,920 : x
  2. Step 2: Convert to fraction form
    426,856/919,920 = 919,920/x
  3. Step 3: Cross multiply
    426,856x = 919,920 × 919,920
  4. Step 4: Simplify right side
    426,856x = 846,252,806,400
  5. Step 5: Solve for x
    x = 846,252,806,400/426,856
  6. Step 6: Final answer
    x = 1,982,525.27

Related Problems

Find third proportional to 213,428 and 459,960
Half scale
Find third proportional to 853,712 and 1,839,840
Double scale
Find third proportional to 426,858 and 919,924
Similar ratio
Find third proportional to 640,284 and 1,379,880
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.