Home / 260,025-388,336.50

Finding the Third Proportional to 260,025 and 388,336.50

Calculator

Solution

The third proportional to 260,025 and 388,336.50 is: 579,964.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,025 : 388,336.50 = 388,336.50 : x
  2. Step 2: Convert to fraction form
    260,025/388,336.50 = 388,336.50/x
  3. Step 3: Cross multiply
    260,025x = 388,336.50 × 388,336.50
  4. Step 4: Simplify right side
    260,025x = 150,805,237,232.25
  5. Step 5: Solve for x
    x = 150,805,237,232.25/260,025
  6. Step 6: Final answer
    x = 579,964.38

Related Problems

Find third proportional to 130,012.50 and 194,168.25
Half scale
Find third proportional to 520,050 and 776,673
Double scale
Find third proportional to 260,027 and 388,339
Similar ratio
Find third proportional to 390,037.50 and 582,504.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.