Home / 298,031-646,519

Finding the Third Proportional to 298,031 and 646,519

Calculator

Solution

The third proportional to 298,031 and 646,519 is: 1,402,494.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,031 : 646,519 = 646,519 : x
  2. Step 2: Convert to fraction form
    298,031/646,519 = 646,519/x
  3. Step 3: Cross multiply
    298,031x = 646,519 × 646,519
  4. Step 4: Simplify right side
    298,031x = 417,986,817,361
  5. Step 5: Solve for x
    x = 417,986,817,361/298,031
  6. Step 6: Final answer
    x = 1,402,494.43

Related Problems

Find third proportional to 149,015.50 and 323,259.50
Half scale
Find third proportional to 596,062 and 1,293,038
Double scale
Find third proportional to 298,033 and 646,523
Similar ratio
Find third proportional to 447,046.50 and 969,778.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.