Home / 45,284-68,678

Finding the Third Proportional to 45,284 and 68,678

Calculator

Solution

The third proportional to 45,284 and 68,678 is: 104,157.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,284 : 68,678 = 68,678 : x
  2. Step 2: Convert to fraction form
    45,284/68,678 = 68,678/x
  3. Step 3: Cross multiply
    45,284x = 68,678 × 68,678
  4. Step 4: Simplify right side
    45,284x = 4,716,667,684
  5. Step 5: Solve for x
    x = 4,716,667,684/45,284
  6. Step 6: Final answer
    x = 104,157.49

Related Problems

Find third proportional to 22,642 and 34,339
Half scale
Find third proportional to 90,568 and 137,356
Double scale
Find third proportional to 45,286 and 68,681
Similar ratio
Find third proportional to 67,926 and 103,017
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.