Home / 155,135-248,900

Finding the Third Proportional to 155,135 and 248,900

Calculator

Solution

The third proportional to 155,135 and 248,900 is: 399,337.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,135 : 248,900 = 248,900 : x
  2. Step 2: Convert to fraction form
    155,135/248,900 = 248,900/x
  3. Step 3: Cross multiply
    155,135x = 248,900 × 248,900
  4. Step 4: Simplify right side
    155,135x = 61,951,210,000
  5. Step 5: Solve for x
    x = 61,951,210,000/155,135
  6. Step 6: Final answer
    x = 399,337.42

Related Problems

Find third proportional to 77,567.50 and 124,450
Half scale
Find third proportional to 310,270 and 497,800
Double scale
Find third proportional to 155,137 and 248,903
Similar ratio
Find third proportional to 232,702.50 and 373,350
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.