Home / 181,582-280,031

Finding the Third Proportional to 181,582 and 280,031

Calculator

Solution

The third proportional to 181,582 and 280,031 is: 431,856.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,582 : 280,031 = 280,031 : x
  2. Step 2: Convert to fraction form
    181,582/280,031 = 280,031/x
  3. Step 3: Cross multiply
    181,582x = 280,031 × 280,031
  4. Step 4: Simplify right side
    181,582x = 78,417,360,961
  5. Step 5: Solve for x
    x = 78,417,360,961/181,582
  6. Step 6: Final answer
    x = 431,856.47

Related Problems

Find third proportional to 90,791 and 140,015.50
Half scale
Find third proportional to 363,164 and 560,062
Double scale
Find third proportional to 181,584 and 280,034
Similar ratio
Find third proportional to 272,373 and 420,046.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.