Home / 312,288-671,952

Finding the Third Proportional to 312,288 and 671,952

Calculator

Solution

The third proportional to 312,288 and 671,952 is: 1,445,843.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,288 : 671,952 = 671,952 : x
  2. Step 2: Convert to fraction form
    312,288/671,952 = 671,952/x
  3. Step 3: Cross multiply
    312,288x = 671,952 × 671,952
  4. Step 4: Simplify right side
    312,288x = 451,519,490,304
  5. Step 5: Solve for x
    x = 451,519,490,304/312,288
  6. Step 6: Final answer
    x = 1,445,843.23

Related Problems

Find third proportional to 156,144 and 335,976
Half scale
Find third proportional to 624,576 and 1,343,904
Double scale
Find third proportional to 312,290 and 671,956
Similar ratio
Find third proportional to 468,432 and 1,007,928
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.