Home / 142,401-303,207

Finding the Third Proportional to 142,401 and 303,207

Calculator

Solution

The third proportional to 142,401 and 303,207 is: 645,602.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,401 : 303,207 = 303,207 : x
  2. Step 2: Convert to fraction form
    142,401/303,207 = 303,207/x
  3. Step 3: Cross multiply
    142,401x = 303,207 × 303,207
  4. Step 4: Simplify right side
    142,401x = 91,934,484,849
  5. Step 5: Solve for x
    x = 91,934,484,849/142,401
  6. Step 6: Final answer
    x = 645,602.80

Related Problems

Find third proportional to 71,200.50 and 151,603.50
Half scale
Find third proportional to 284,802 and 606,414
Double scale
Find third proportional to 142,403 and 303,211
Similar ratio
Find third proportional to 213,601.50 and 454,810.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.