Home / 12,488-19,866

Finding the Third Proportional to 12,488 and 19,866

Calculator

Solution

The third proportional to 12,488 and 19,866 is: 31,602.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488 : 19,866 = 19,866 : x
  2. Step 2: Convert to fraction form
    12,488/19,866 = 19,866/x
  3. Step 3: Cross multiply
    12,488x = 19,866 × 19,866
  4. Step 4: Simplify right side
    12,488x = 394,657,956
  5. Step 5: Solve for x
    x = 394,657,956/12,488
  6. Step 6: Final answer
    x = 31,602.98

Related Problems

Find third proportional to 6,244 and 9,933
Half scale
Find third proportional to 24,976 and 39,732
Double scale
Find third proportional to 12,490 and 19,869
Similar ratio
Find third proportional to 18,732 and 29,799
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.