Home / 220,838-476,640

Finding the Third Proportional to 220,838 and 476,640

Calculator

Solution

The third proportional to 220,838 and 476,640 is: 1,028,743.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,838 : 476,640 = 476,640 : x
  2. Step 2: Convert to fraction form
    220,838/476,640 = 476,640/x
  3. Step 3: Cross multiply
    220,838x = 476,640 × 476,640
  4. Step 4: Simplify right side
    220,838x = 227,185,689,600
  5. Step 5: Solve for x
    x = 227,185,689,600/220,838
  6. Step 6: Final answer
    x = 1,028,743.65

Related Problems

Find third proportional to 110,419 and 238,320
Half scale
Find third proportional to 441,676 and 953,280
Double scale
Find third proportional to 220,840 and 476,644
Similar ratio
Find third proportional to 331,257 and 714,960
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.