Home / 28,730-61,670

Finding the Third Proportional to 28,730 and 61,670

Calculator

Solution

The third proportional to 28,730 and 61,670 is: 132,376.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,730 : 61,670 = 61,670 : x
  2. Step 2: Convert to fraction form
    28,730/61,670 = 61,670/x
  3. Step 3: Cross multiply
    28,730x = 61,670 × 61,670
  4. Step 4: Simplify right side
    28,730x = 3,803,188,900
  5. Step 5: Solve for x
    x = 3,803,188,900/28,730
  6. Step 6: Final answer
    x = 132,376.92

Related Problems

Find third proportional to 14,365 and 30,835
Half scale
Find third proportional to 57,460 and 123,340
Double scale
Find third proportional to 28,732 and 61,674
Similar ratio
Find third proportional to 43,095 and 92,505
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.