Home / 8,378,382-12,811,248

Finding the Third Proportional to 8,378,382 and 12,811,248

Calculator

Solution

The third proportional to 8,378,382 and 12,811,248 is: 19,589,471.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,382 : 12,811,248 = 12,811,248 : x
  2. Step 2: Convert to fraction form
    8,378,382/12,811,248 = 12,811,248/x
  3. Step 3: Cross multiply
    8,378,382x = 12,811,248 × 12,811,248
  4. Step 4: Simplify right side
    8,378,382x = 164,128,075,317,504
  5. Step 5: Solve for x
    x = 164,128,075,317,504/8,378,382
  6. Step 6: Final answer
    x = 19,589,471.49

Related Problems

Find third proportional to 4,189,191 and 6,405,624
Half scale
Find third proportional to 16,756,764 and 25,622,496
Double scale
Find third proportional to 8,378,384 and 12,811,251
Similar ratio
Find third proportional to 12,567,573 and 19,216,872
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.