Home / 140,247-288,765

Finding the Third Proportional to 140,247 and 288,765

Calculator

Solution

The third proportional to 140,247 and 288,765 is: 594,559.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,247 : 288,765 = 288,765 : x
  2. Step 2: Convert to fraction form
    140,247/288,765 = 288,765/x
  3. Step 3: Cross multiply
    140,247x = 288,765 × 288,765
  4. Step 4: Simplify right side
    140,247x = 83,385,225,225
  5. Step 5: Solve for x
    x = 83,385,225,225/140,247
  6. Step 6: Final answer
    x = 594,559.78

Related Problems

Find third proportional to 70,123.50 and 144,382.50
Half scale
Find third proportional to 280,494 and 577,530
Double scale
Find third proportional to 140,249 and 288,769
Similar ratio
Find third proportional to 210,370.50 and 433,147.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.