Home / 287,566-622,731

Finding the Third Proportional to 287,566 and 622,731

Calculator

Solution

The third proportional to 287,566 and 622,731 is: 1,348,538.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,566 : 622,731 = 622,731 : x
  2. Step 2: Convert to fraction form
    287,566/622,731 = 622,731/x
  3. Step 3: Cross multiply
    287,566x = 622,731 × 622,731
  4. Step 4: Simplify right side
    287,566x = 387,793,898,361
  5. Step 5: Solve for x
    x = 387,793,898,361/287,566
  6. Step 6: Final answer
    x = 1,348,538.76

Related Problems

Find third proportional to 143,783 and 311,365.50
Half scale
Find third proportional to 575,132 and 1,245,462
Double scale
Find third proportional to 287,568 and 622,735
Similar ratio
Find third proportional to 431,349 and 934,096.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.