Home / 504,326-780,915

Finding the Third Proportional to 504,326 and 780,915

Calculator

Solution

The third proportional to 504,326 and 780,915 is: 1,209,194.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,326 : 780,915 = 780,915 : x
  2. Step 2: Convert to fraction form
    504,326/780,915 = 780,915/x
  3. Step 3: Cross multiply
    504,326x = 780,915 × 780,915
  4. Step 4: Simplify right side
    504,326x = 609,828,237,225
  5. Step 5: Solve for x
    x = 609,828,237,225/504,326
  6. Step 6: Final answer
    x = 1,209,194.52

Related Problems

Find third proportional to 252,163 and 390,457.50
Half scale
Find third proportional to 1,008,652 and 1,561,830
Double scale
Find third proportional to 504,328 and 780,918
Similar ratio
Find third proportional to 756,489 and 1,171,372.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.