Home / 298,788-625,278

Finding the Third Proportional to 298,788 and 625,278

Calculator

Solution

The third proportional to 298,788 and 625,278 is: 1,308,528.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,788 : 625,278 = 625,278 : x
  2. Step 2: Convert to fraction form
    298,788/625,278 = 625,278/x
  3. Step 3: Cross multiply
    298,788x = 625,278 × 625,278
  4. Step 4: Simplify right side
    298,788x = 390,972,577,284
  5. Step 5: Solve for x
    x = 390,972,577,284/298,788
  6. Step 6: Final answer
    x = 1,308,528.38

Related Problems

Find third proportional to 149,394 and 312,639
Half scale
Find third proportional to 597,576 and 1,250,556
Double scale
Find third proportional to 298,790 and 625,282
Similar ratio
Find third proportional to 448,182 and 937,917
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.