Home / 238,305-351,912

Finding the Third Proportional to 238,305 and 351,912

Calculator

Solution

The third proportional to 238,305 and 351,912 is: 519,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,305 : 351,912 = 351,912 : x
  2. Step 2: Convert to fraction form
    238,305/351,912 = 351,912/x
  3. Step 3: Cross multiply
    238,305x = 351,912 × 351,912
  4. Step 4: Simplify right side
    238,305x = 123,842,055,744
  5. Step 5: Solve for x
    x = 123,842,055,744/238,305
  6. Step 6: Final answer
    x = 519,678.80

Related Problems

Find third proportional to 119,152.50 and 175,956
Half scale
Find third proportional to 476,610 and 703,824
Double scale
Find third proportional to 238,307 and 351,915
Similar ratio
Find third proportional to 357,457.50 and 527,868
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.