Home / 54,677-69,865

Finding the Third Proportional to 54,677 and 69,865

Calculator

Solution

The third proportional to 54,677 and 69,865 is: 89,271.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,677 : 69,865 = 69,865 : x
  2. Step 2: Convert to fraction form
    54,677/69,865 = 69,865/x
  3. Step 3: Cross multiply
    54,677x = 69,865 × 69,865
  4. Step 4: Simplify right side
    54,677x = 4,881,118,225
  5. Step 5: Solve for x
    x = 4,881,118,225/54,677
  6. Step 6: Final answer
    x = 89,271.87

Related Problems

Find third proportional to 27,338.50 and 34,932.50
Half scale
Find third proportional to 109,354 and 139,730
Double scale
Find third proportional to 54,679 and 69,868
Similar ratio
Find third proportional to 82,015.50 and 104,797.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.