Home / 144,908-299,128

Finding the Third Proportional to 144,908 and 299,128

Calculator

Solution

The third proportional to 144,908 and 299,128 is: 617,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,908 : 299,128 = 299,128 : x
  2. Step 2: Convert to fraction form
    144,908/299,128 = 299,128/x
  3. Step 3: Cross multiply
    144,908x = 299,128 × 299,128
  4. Step 4: Simplify right side
    144,908x = 89,477,560,384
  5. Step 5: Solve for x
    x = 89,477,560,384/144,908
  6. Step 6: Final answer
    x = 617,478.40

Related Problems

Find third proportional to 72,454 and 149,564
Half scale
Find third proportional to 289,816 and 598,256
Double scale
Find third proportional to 144,910 and 299,132
Similar ratio
Find third proportional to 217,362 and 448,692
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.