Home / 155,110-248,861

Finding the Third Proportional to 155,110 and 248,861

Calculator

Solution

The third proportional to 155,110 and 248,861 is: 399,276.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,110 : 248,861 = 248,861 : x
  2. Step 2: Convert to fraction form
    155,110/248,861 = 248,861/x
  3. Step 3: Cross multiply
    155,110x = 248,861 × 248,861
  4. Step 4: Simplify right side
    155,110x = 61,931,797,321
  5. Step 5: Solve for x
    x = 61,931,797,321/155,110
  6. Step 6: Final answer
    x = 399,276.63

Related Problems

Find third proportional to 77,555 and 124,430.50
Half scale
Find third proportional to 310,220 and 497,722
Double scale
Find third proportional to 155,112 and 248,864
Similar ratio
Find third proportional to 232,665 and 373,291.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.