Home / 145,550-313,348

Finding the Third Proportional to 145,550 and 313,348

Calculator

Solution

The third proportional to 145,550 and 313,348 is: 674,592.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,550 : 313,348 = 313,348 : x
  2. Step 2: Convert to fraction form
    145,550/313,348 = 313,348/x
  3. Step 3: Cross multiply
    145,550x = 313,348 × 313,348
  4. Step 4: Simplify right side
    145,550x = 98,186,969,104
  5. Step 5: Solve for x
    x = 98,186,969,104/145,550
  6. Step 6: Final answer
    x = 674,592.71

Related Problems

Find third proportional to 72,775 and 156,674
Half scale
Find third proportional to 291,100 and 626,696
Double scale
Find third proportional to 145,552 and 313,352
Similar ratio
Find third proportional to 218,325 and 470,022
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.