Home / 262,428-393,573.38

Finding the Third Proportional to 262,428 and 393,573.38

Calculator

Solution

The third proportional to 262,428 and 393,573.38 is: 590,257.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,428 : 393,573.38 = 393,573.38 : x
  2. Step 2: Convert to fraction form
    262,428/393,573.38 = 393,573.38/x
  3. Step 3: Cross multiply
    262,428x = 393,573.38 × 393,573.38
  4. Step 4: Simplify right side
    262,428x = 154,900,001,508.89
  5. Step 5: Solve for x
    x = 154,900,001,508.89/262,428
  6. Step 6: Final answer
    x = 590,257.14

Related Problems

Find third proportional to 131,214 and 196,786.69
Half scale
Find third proportional to 524,856 and 787,146.75
Double scale
Find third proportional to 262,430 and 393,576
Similar ratio
Find third proportional to 393,642 and 590,360.06
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.