Home / 12,320-15,576

Finding the Third Proportional to 12,320 and 15,576

Calculator

Solution

The third proportional to 12,320 and 15,576 is: 19,692.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320 : 15,576 = 15,576 : x
  2. Step 2: Convert to fraction form
    12,320/15,576 = 15,576/x
  3. Step 3: Cross multiply
    12,320x = 15,576 × 15,576
  4. Step 4: Simplify right side
    12,320x = 242,611,776
  5. Step 5: Solve for x
    x = 242,611,776/12,320
  6. Step 6: Final answer
    x = 19,692.51

Related Problems

Find third proportional to 6,160 and 7,788
Half scale
Find third proportional to 24,640 and 31,152
Double scale
Find third proportional to 12,322 and 15,579
Similar ratio
Find third proportional to 18,480 and 23,364
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.