Home / 306,522-654,948

Finding the Third Proportional to 306,522 and 654,948

Calculator

Solution

The third proportional to 306,522 and 654,948 is: 1,399,432.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,522 : 654,948 = 654,948 : x
  2. Step 2: Convert to fraction form
    306,522/654,948 = 654,948/x
  3. Step 3: Cross multiply
    306,522x = 654,948 × 654,948
  4. Step 4: Simplify right side
    306,522x = 428,956,882,704
  5. Step 5: Solve for x
    x = 428,956,882,704/306,522
  6. Step 6: Final answer
    x = 1,399,432.61

Related Problems

Find third proportional to 153,261 and 327,474
Half scale
Find third proportional to 613,044 and 1,309,896
Double scale
Find third proportional to 306,524 and 654,952
Similar ratio
Find third proportional to 459,783 and 982,422
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.