Home / 250,330-387,379

Finding the Third Proportional to 250,330 and 387,379

Calculator

Solution

The third proportional to 250,330 and 387,379 is: 599,458.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,330 : 387,379 = 387,379 : x
  2. Step 2: Convert to fraction form
    250,330/387,379 = 387,379/x
  3. Step 3: Cross multiply
    250,330x = 387,379 × 387,379
  4. Step 4: Simplify right side
    250,330x = 150,062,489,641
  5. Step 5: Solve for x
    x = 150,062,489,641/250,330
  6. Step 6: Final answer
    x = 599,458.67

Related Problems

Find third proportional to 125,165 and 193,689.50
Half scale
Find third proportional to 500,660 and 774,758
Double scale
Find third proportional to 250,332 and 387,382
Similar ratio
Find third proportional to 375,495 and 581,068.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.