Home / 916.50-1,949

Finding the Third Proportional to 916.50 and 1,949

Calculator

Solution

The third proportional to 916.50 and 1,949 is: 4,144.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    916.50 : 1,949 = 1,949 : x
  2. Step 2: Convert to fraction form
    916.50/1,949 = 1,949/x
  3. Step 3: Cross multiply
    916.50x = 1,949 × 1,949
  4. Step 4: Simplify right side
    916.50x = 3,798,601
  5. Step 5: Solve for x
    x = 3,798,601/916.50
  6. Step 6: Final answer
    x = 4,144.68

Related Problems

Find third proportional to 458.25 and 974.50
Half scale
Find third proportional to 1,833 and 3,898
Double scale
Find third proportional to 919 and 1,953
Similar ratio
Find third proportional to 1,374.75 and 2,923.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.