Home / 298,926-646,698

Finding the Third Proportional to 298,926 and 646,698

Calculator

Solution

The third proportional to 298,926 and 646,698 is: 1,399,069.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,926 : 646,698 = 646,698 : x
  2. Step 2: Convert to fraction form
    298,926/646,698 = 646,698/x
  3. Step 3: Cross multiply
    298,926x = 646,698 × 646,698
  4. Step 4: Simplify right side
    298,926x = 418,218,303,204
  5. Step 5: Solve for x
    x = 418,218,303,204/298,926
  6. Step 6: Final answer
    x = 1,399,069.68

Related Problems

Find third proportional to 149,463 and 323,349
Half scale
Find third proportional to 597,852 and 1,293,396
Double scale
Find third proportional to 298,928 and 646,702
Similar ratio
Find third proportional to 448,389 and 970,047
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.