Home / 288,540-627,888

Finding the Third Proportional to 288,540 and 627,888

Calculator

Solution

The third proportional to 288,540 and 627,888 is: 1,366,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,540 : 627,888 = 627,888 : x
  2. Step 2: Convert to fraction form
    288,540/627,888 = 627,888/x
  3. Step 3: Cross multiply
    288,540x = 627,888 × 627,888
  4. Step 4: Simplify right side
    288,540x = 394,243,340,544
  5. Step 5: Solve for x
    x = 394,243,340,544/288,540
  6. Step 6: Final answer
    x = 1,366,338.60

Related Problems

Find third proportional to 144,270 and 313,944
Half scale
Find third proportional to 577,080 and 1,255,776
Double scale
Find third proportional to 288,542 and 627,892
Similar ratio
Find third proportional to 432,810 and 941,832
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.