Home / 139,248-203,040

Finding the Third Proportional to 139,248 and 203,040

Calculator

Solution

The third proportional to 139,248 and 203,040 is: 296,056.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,248 : 203,040 = 203,040 : x
  2. Step 2: Convert to fraction form
    139,248/203,040 = 203,040/x
  3. Step 3: Cross multiply
    139,248x = 203,040 × 203,040
  4. Step 4: Simplify right side
    139,248x = 41,225,241,600
  5. Step 5: Solve for x
    x = 41,225,241,600/139,248
  6. Step 6: Final answer
    x = 296,056.26

Related Problems

Find third proportional to 69,624 and 101,520
Half scale
Find third proportional to 278,496 and 406,080
Double scale
Find third proportional to 139,250 and 203,043
Similar ratio
Find third proportional to 208,872 and 304,560
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.