Home / 9,520-15,840

Finding the Third Proportional to 9,520 and 15,840

Calculator

Solution

The third proportional to 9,520 and 15,840 is: 26,355.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,520 : 15,840 = 15,840 : x
  2. Step 2: Convert to fraction form
    9,520/15,840 = 15,840/x
  3. Step 3: Cross multiply
    9,520x = 15,840 × 15,840
  4. Step 4: Simplify right side
    9,520x = 250,905,600
  5. Step 5: Solve for x
    x = 250,905,600/9,520
  6. Step 6: Final answer
    x = 26,355.63

Related Problems

Find third proportional to 4,760 and 7,920
Half scale
Find third proportional to 19,040 and 31,680
Double scale
Find third proportional to 9,522 and 15,843
Similar ratio
Find third proportional to 14,280 and 23,760
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.