Home / 115,212.50-239,621.50

Finding the Third Proportional to 115,212.50 and 239,621.50

Calculator

Solution

The third proportional to 115,212.50 and 239,621.50 is: 498,370.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,212.50 : 239,621.50 = 239,621.50 : x
  2. Step 2: Convert to fraction form
    115,212.50/239,621.50 = 239,621.50/x
  3. Step 3: Cross multiply
    115,212.50x = 239,621.50 × 239,621.50
  4. Step 4: Simplify right side
    115,212.50x = 57,418,463,262.25
  5. Step 5: Solve for x
    x = 57,418,463,262.25/115,212.50
  6. Step 6: Final answer
    x = 498,370.08

Related Problems

Find third proportional to 57,606.25 and 119,810.75
Half scale
Find third proportional to 230,425 and 479,243
Double scale
Find third proportional to 115,215 and 239,626
Similar ratio
Find third proportional to 172,818.75 and 359,432.25
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.