Home / 250,288.50-518,319.50

Finding the Third Proportional to 250,288.50 and 518,319.50

Calculator

Solution

The third proportional to 250,288.50 and 518,319.50 is: 1,073,381.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,288.50 : 518,319.50 = 518,319.50 : x
  2. Step 2: Convert to fraction form
    250,288.50/518,319.50 = 518,319.50/x
  3. Step 3: Cross multiply
    250,288.50x = 518,319.50 × 518,319.50
  4. Step 4: Simplify right side
    250,288.50x = 268,655,104,080.25
  5. Step 5: Solve for x
    x = 268,655,104,080.25/250,288.50
  6. Step 6: Final answer
    x = 1,073,381.73

Related Problems

Find third proportional to 125,144.25 and 259,159.75
Half scale
Find third proportional to 500,577 and 1,036,639
Double scale
Find third proportional to 250,291 and 518,324
Similar ratio
Find third proportional to 375,432.75 and 777,479.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.