Home / 45,186-69,903

Finding the Third Proportional to 45,186 and 69,903

Calculator

Solution

The third proportional to 45,186 and 69,903 is: 108,140.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,186 : 69,903 = 69,903 : x
  2. Step 2: Convert to fraction form
    45,186/69,903 = 69,903/x
  3. Step 3: Cross multiply
    45,186x = 69,903 × 69,903
  4. Step 4: Simplify right side
    45,186x = 4,886,429,409
  5. Step 5: Solve for x
    x = 4,886,429,409/45,186
  6. Step 6: Final answer
    x = 108,140.34

Related Problems

Find third proportional to 22,593 and 34,951.50
Half scale
Find third proportional to 90,372 and 139,806
Double scale
Find third proportional to 45,188 and 69,906
Similar ratio
Find third proportional to 67,779 and 104,854.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.