Home / 47,686-69,817

Finding the Third Proportional to 47,686 and 69,817

Calculator

Solution

The third proportional to 47,686 and 69,817 is: 102,218.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,686 : 69,817 = 69,817 : x
  2. Step 2: Convert to fraction form
    47,686/69,817 = 69,817/x
  3. Step 3: Cross multiply
    47,686x = 69,817 × 69,817
  4. Step 4: Simplify right side
    47,686x = 4,874,413,489
  5. Step 5: Solve for x
    x = 4,874,413,489/47,686
  6. Step 6: Final answer
    x = 102,218.96

Related Problems

Find third proportional to 23,843 and 34,908.50
Half scale
Find third proportional to 95,372 and 139,634
Double scale
Find third proportional to 47,688 and 69,820
Similar ratio
Find third proportional to 71,529 and 104,725.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.