Home / 5,355-9,942

Finding the Third Proportional to 5,355 and 9,942

Calculator

Solution

The third proportional to 5,355 and 9,942 is: 18,458.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355 : 9,942 = 9,942 : x
  2. Step 2: Convert to fraction form
    5,355/9,942 = 9,942/x
  3. Step 3: Cross multiply
    5,355x = 9,942 × 9,942
  4. Step 4: Simplify right side
    5,355x = 98,843,364
  5. Step 5: Solve for x
    x = 98,843,364/5,355
  6. Step 6: Final answer
    x = 18,458.14

Related Problems

Find third proportional to 2,677.50 and 4,971
Half scale
Find third proportional to 10,710 and 19,884
Double scale
Find third proportional to 5,357 and 9,946
Similar ratio
Find third proportional to 8,032.50 and 14,913
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.