Home / 113,940-247,320

Finding the Third Proportional to 113,940 and 247,320

Calculator

Solution

The third proportional to 113,940 and 247,320 is: 536,836.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,940 : 247,320 = 247,320 : x
  2. Step 2: Convert to fraction form
    113,940/247,320 = 247,320/x
  3. Step 3: Cross multiply
    113,940x = 247,320 × 247,320
  4. Step 4: Simplify right side
    113,940x = 61,167,182,400
  5. Step 5: Solve for x
    x = 61,167,182,400/113,940
  6. Step 6: Final answer
    x = 536,836.78

Related Problems

Find third proportional to 56,970 and 123,660
Half scale
Find third proportional to 227,880 and 494,640
Double scale
Find third proportional to 113,942 and 247,324
Similar ratio
Find third proportional to 170,910 and 370,980
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.