Home / 511,488-774,340

Finding the Third Proportional to 511,488 and 774,340

Calculator

Solution

The third proportional to 511,488 and 774,340 is: 1,172,270.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,488 : 774,340 = 774,340 : x
  2. Step 2: Convert to fraction form
    511,488/774,340 = 774,340/x
  3. Step 3: Cross multiply
    511,488x = 774,340 × 774,340
  4. Step 4: Simplify right side
    511,488x = 599,602,435,600
  5. Step 5: Solve for x
    x = 599,602,435,600/511,488
  6. Step 6: Final answer
    x = 1,172,270.78

Related Problems

Find third proportional to 255,744 and 387,170
Half scale
Find third proportional to 1,022,976 and 1,548,680
Double scale
Find third proportional to 511,490 and 774,343
Similar ratio
Find third proportional to 767,232 and 1,161,510
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.