Home / 395,320-869,362

Finding the Third Proportional to 395,320 and 869,362

Calculator

Solution

The third proportional to 395,320 and 869,362 is: 1,911,844.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,320 : 869,362 = 869,362 : x
  2. Step 2: Convert to fraction form
    395,320/869,362 = 869,362/x
  3. Step 3: Cross multiply
    395,320x = 869,362 × 869,362
  4. Step 4: Simplify right side
    395,320x = 755,790,287,044
  5. Step 5: Solve for x
    x = 755,790,287,044/395,320
  6. Step 6: Final answer
    x = 1,911,844.30

Related Problems

Find third proportional to 197,660 and 434,681
Half scale
Find third proportional to 790,640 and 1,738,724
Double scale
Find third proportional to 395,322 and 869,366
Similar ratio
Find third proportional to 592,980 and 1,304,043
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.