Home / 15,520-31,364

Finding the Third Proportional to 15,520 and 31,364

Calculator

Solution

The third proportional to 15,520 and 31,364 is: 63,382.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520 : 31,364 = 31,364 : x
  2. Step 2: Convert to fraction form
    15,520/31,364 = 31,364/x
  3. Step 3: Cross multiply
    15,520x = 31,364 × 31,364
  4. Step 4: Simplify right side
    15,520x = 983,700,496
  5. Step 5: Solve for x
    x = 983,700,496/15,520
  6. Step 6: Final answer
    x = 63,382.76

Related Problems

Find third proportional to 7,760 and 15,682
Half scale
Find third proportional to 31,040 and 62,728
Double scale
Find third proportional to 15,522 and 31,368
Similar ratio
Find third proportional to 23,280 and 47,046
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.