Home / 299,238.13-639,948.25

Finding the Third Proportional to 299,238.13 and 639,948.25

Calculator

Solution

The third proportional to 299,238.13 and 639,948.25 is: 1,368,588.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,238.13 : 639,948.25 = 639,948.25 : x
  2. Step 2: Convert to fraction form
    299,238.13/639,948.25 = 639,948.25/x
  3. Step 3: Cross multiply
    299,238.13x = 639,948.25 × 639,948.25
  4. Step 4: Simplify right side
    299,238.13x = 409,533,762,678.06
  5. Step 5: Solve for x
    x = 409,533,762,678.06/299,238.13
  6. Step 6: Final answer
    x = 1,368,588.19

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.