Home / 263,146-578,780

Finding the Third Proportional to 263,146 and 578,780

Calculator

Solution

The third proportional to 263,146 and 578,780 is: 1,273,005.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,146 : 578,780 = 578,780 : x
  2. Step 2: Convert to fraction form
    263,146/578,780 = 578,780/x
  3. Step 3: Cross multiply
    263,146x = 578,780 × 578,780
  4. Step 4: Simplify right side
    263,146x = 334,986,288,400
  5. Step 5: Solve for x
    x = 334,986,288,400/263,146
  6. Step 6: Final answer
    x = 1,273,005.44

Related Problems

Find third proportional to 131,573 and 289,390
Half scale
Find third proportional to 526,292 and 1,157,560
Double scale
Find third proportional to 263,148 and 578,784
Similar ratio
Find third proportional to 394,719 and 868,170
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.