Home / 109,760-239,608

Finding the Third Proportional to 109,760 and 239,608

Calculator

Solution

The third proportional to 109,760 and 239,608 is: 523,068.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,760 : 239,608 = 239,608 : x
  2. Step 2: Convert to fraction form
    109,760/239,608 = 239,608/x
  3. Step 3: Cross multiply
    109,760x = 239,608 × 239,608
  4. Step 4: Simplify right side
    109,760x = 57,411,993,664
  5. Step 5: Solve for x
    x = 57,411,993,664/109,760
  6. Step 6: Final answer
    x = 523,068.46

Related Problems

Find third proportional to 54,880 and 119,804
Half scale
Find third proportional to 219,520 and 479,216
Double scale
Find third proportional to 109,762 and 239,612
Similar ratio
Find third proportional to 164,640 and 359,412
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.