Home / 190,642-418,628

Finding the Third Proportional to 190,642 and 418,628

Calculator

Solution

The third proportional to 190,642 and 418,628 is: 919,259.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,642 : 418,628 = 418,628 : x
  2. Step 2: Convert to fraction form
    190,642/418,628 = 418,628/x
  3. Step 3: Cross multiply
    190,642x = 418,628 × 418,628
  4. Step 4: Simplify right side
    190,642x = 175,249,402,384
  5. Step 5: Solve for x
    x = 175,249,402,384/190,642
  6. Step 6: Final answer
    x = 919,259.15

Related Problems

Find third proportional to 95,321 and 209,314
Half scale
Find third proportional to 381,284 and 837,256
Double scale
Find third proportional to 190,644 and 418,632
Similar ratio
Find third proportional to 285,963 and 627,942
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.