Home / 87,704-189,421

Finding the Third Proportional to 87,704 and 189,421

Calculator

Solution

The third proportional to 87,704 and 189,421 is: 409,106.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,704 : 189,421 = 189,421 : x
  2. Step 2: Convert to fraction form
    87,704/189,421 = 189,421/x
  3. Step 3: Cross multiply
    87,704x = 189,421 × 189,421
  4. Step 4: Simplify right side
    87,704x = 35,880,315,241
  5. Step 5: Solve for x
    x = 35,880,315,241/87,704
  6. Step 6: Final answer
    x = 409,106.94

Related Problems

Find third proportional to 43,852 and 94,710.50
Half scale
Find third proportional to 175,408 and 378,842
Double scale
Find third proportional to 87,706 and 189,425
Similar ratio
Find third proportional to 131,556 and 284,131.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.