Home / 28,665-43,430

Finding the Third Proportional to 28,665 and 43,430

Calculator

Solution

The third proportional to 28,665 and 43,430 is: 65,800.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,665 : 43,430 = 43,430 : x
  2. Step 2: Convert to fraction form
    28,665/43,430 = 43,430/x
  3. Step 3: Cross multiply
    28,665x = 43,430 × 43,430
  4. Step 4: Simplify right side
    28,665x = 1,886,164,900
  5. Step 5: Solve for x
    x = 1,886,164,900/28,665
  6. Step 6: Final answer
    x = 65,800.28

Related Problems

Find third proportional to 14,332.50 and 21,715
Half scale
Find third proportional to 57,330 and 86,860
Double scale
Find third proportional to 28,667 and 43,433
Similar ratio
Find third proportional to 42,997.50 and 65,145
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.