Home / 290,740-622,952

Finding the Third Proportional to 290,740 and 622,952

Calculator

Solution

The third proportional to 290,740 and 622,952 is: 1,334,763.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,740 : 622,952 = 622,952 : x
  2. Step 2: Convert to fraction form
    290,740/622,952 = 622,952/x
  3. Step 3: Cross multiply
    290,740x = 622,952 × 622,952
  4. Step 4: Simplify right side
    290,740x = 388,069,194,304
  5. Step 5: Solve for x
    x = 388,069,194,304/290,740
  6. Step 6: Final answer
    x = 1,334,763.69

Related Problems

Find third proportional to 145,370 and 311,476
Half scale
Find third proportional to 581,480 and 1,245,904
Double scale
Find third proportional to 290,742 and 622,956
Similar ratio
Find third proportional to 436,110 and 934,428
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.