Home / 285,910-419,313

Finding the Third Proportional to 285,910 and 419,313

Calculator

Solution

The third proportional to 285,910 and 419,313 is: 614,960.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,910 : 419,313 = 419,313 : x
  2. Step 2: Convert to fraction form
    285,910/419,313 = 419,313/x
  3. Step 3: Cross multiply
    285,910x = 419,313 × 419,313
  4. Step 4: Simplify right side
    285,910x = 175,823,391,969
  5. Step 5: Solve for x
    x = 175,823,391,969/285,910
  6. Step 6: Final answer
    x = 614,960.62

Related Problems

Find third proportional to 142,955 and 209,656.50
Half scale
Find third proportional to 571,820 and 838,626
Double scale
Find third proportional to 285,912 and 419,316
Similar ratio
Find third proportional to 428,865 and 628,969.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.