Home / 115,254-239,688

Finding the Third Proportional to 115,254 and 239,688

Calculator

Solution

The third proportional to 115,254 and 239,688 is: 498,467.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,254 : 239,688 = 239,688 : x
  2. Step 2: Convert to fraction form
    115,254/239,688 = 239,688/x
  3. Step 3: Cross multiply
    115,254x = 239,688 × 239,688
  4. Step 4: Simplify right side
    115,254x = 57,450,337,344
  5. Step 5: Solve for x
    x = 57,450,337,344/115,254
  6. Step 6: Final answer
    x = 498,467.19

Related Problems

Find third proportional to 57,627 and 119,844
Half scale
Find third proportional to 230,508 and 479,376
Double scale
Find third proportional to 115,256 and 239,692
Similar ratio
Find third proportional to 172,881 and 359,532
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.