Home / 436,989-953,421

Finding the Third Proportional to 436,989 and 953,421

Calculator

Solution

The third proportional to 436,989 and 953,421 is: 2,080,170.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,989 : 953,421 = 953,421 : x
  2. Step 2: Convert to fraction form
    436,989/953,421 = 953,421/x
  3. Step 3: Cross multiply
    436,989x = 953,421 × 953,421
  4. Step 4: Simplify right side
    436,989x = 909,011,603,241
  5. Step 5: Solve for x
    x = 909,011,603,241/436,989
  6. Step 6: Final answer
    x = 2,080,170.45

Related Problems

Find third proportional to 218,494.50 and 476,710.50
Half scale
Find third proportional to 873,978 and 1,906,842
Double scale
Find third proportional to 436,991 and 953,425
Similar ratio
Find third proportional to 655,483.50 and 1,430,131.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.