Home / 269,303-409,551

Finding the Third Proportional to 269,303 and 409,551

Calculator

Solution

The third proportional to 269,303 and 409,551 is: 622,837.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,303 : 409,551 = 409,551 : x
  2. Step 2: Convert to fraction form
    269,303/409,551 = 409,551/x
  3. Step 3: Cross multiply
    269,303x = 409,551 × 409,551
  4. Step 4: Simplify right side
    269,303x = 167,732,021,601
  5. Step 5: Solve for x
    x = 167,732,021,601/269,303
  6. Step 6: Final answer
    x = 622,837.55

Related Problems

Find third proportional to 134,651.50 and 204,775.50
Half scale
Find third proportional to 538,606 and 819,102
Double scale
Find third proportional to 269,305 and 409,554
Similar ratio
Find third proportional to 403,954.50 and 614,326.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.