Home / 9,978-15,040.50

Finding the Third Proportional to 9,978 and 15,040.50

Calculator

Solution

The third proportional to 9,978 and 15,040.50 is: 22,671.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,978 : 15,040.50 = 15,040.50 : x
  2. Step 2: Convert to fraction form
    9,978/15,040.50 = 15,040.50/x
  3. Step 3: Cross multiply
    9,978x = 15,040.50 × 15,040.50
  4. Step 4: Simplify right side
    9,978x = 226,216,640.25
  5. Step 5: Solve for x
    x = 226,216,640.25/9,978
  6. Step 6: Final answer
    x = 22,671.54

Related Problems

Find third proportional to 4,989 and 7,520.25
Half scale
Find third proportional to 19,956 and 30,081
Double scale
Find third proportional to 9,980 and 15,044
Similar ratio
Find third proportional to 14,967 and 22,560.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.