Home / 12,640-27,424

Finding the Third Proportional to 12,640 and 27,424

Calculator

Solution

The third proportional to 12,640 and 27,424 is: 59,499.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,640 : 27,424 = 27,424 : x
  2. Step 2: Convert to fraction form
    12,640/27,424 = 27,424/x
  3. Step 3: Cross multiply
    12,640x = 27,424 × 27,424
  4. Step 4: Simplify right side
    12,640x = 752,075,776
  5. Step 5: Solve for x
    x = 752,075,776/12,640
  6. Step 6: Final answer
    x = 59,499.67

Related Problems

Find third proportional to 6,320 and 13,712
Half scale
Find third proportional to 25,280 and 54,848
Double scale
Find third proportional to 12,642 and 27,428
Similar ratio
Find third proportional to 18,960 and 41,136
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.