Home / 237,407-340,078

Finding the Third Proportional to 237,407 and 340,078

Calculator

Solution

The third proportional to 237,407 and 340,078 is: 487,150.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,407 : 340,078 = 340,078 : x
  2. Step 2: Convert to fraction form
    237,407/340,078 = 340,078/x
  3. Step 3: Cross multiply
    237,407x = 340,078 × 340,078
  4. Step 4: Simplify right side
    237,407x = 115,653,046,084
  5. Step 5: Solve for x
    x = 115,653,046,084/237,407
  6. Step 6: Final answer
    x = 487,150.95

Related Problems

Find third proportional to 118,703.50 and 170,039
Half scale
Find third proportional to 474,814 and 680,156
Double scale
Find third proportional to 237,409 and 340,081
Similar ratio
Find third proportional to 356,110.50 and 510,117
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.