Home / 31,893-69,866

Finding the Third Proportional to 31,893 and 69,866

Calculator

Solution

The third proportional to 31,893 and 69,866 is: 153,051.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,893 : 69,866 = 69,866 : x
  2. Step 2: Convert to fraction form
    31,893/69,866 = 69,866/x
  3. Step 3: Cross multiply
    31,893x = 69,866 × 69,866
  4. Step 4: Simplify right side
    31,893x = 4,881,257,956
  5. Step 5: Solve for x
    x = 4,881,257,956/31,893
  6. Step 6: Final answer
    x = 153,051.08

Related Problems

Find third proportional to 15,946.50 and 34,933
Half scale
Find third proportional to 63,786 and 139,732
Double scale
Find third proportional to 31,895 and 69,870
Similar ratio
Find third proportional to 47,839.50 and 104,799
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.