Home / 56,013-86,729

Finding the Third Proportional to 56,013 and 86,729

Calculator

Solution

The third proportional to 56,013 and 86,729 is: 134,288.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,013 : 86,729 = 86,729 : x
  2. Step 2: Convert to fraction form
    56,013/86,729 = 86,729/x
  3. Step 3: Cross multiply
    56,013x = 86,729 × 86,729
  4. Step 4: Simplify right side
    56,013x = 7,521,919,441
  5. Step 5: Solve for x
    x = 7,521,919,441/56,013
  6. Step 6: Final answer
    x = 134,288.82

Related Problems

Find third proportional to 28,006.50 and 43,364.50
Half scale
Find third proportional to 112,026 and 173,458
Double scale
Find third proportional to 56,015 and 86,732
Similar ratio
Find third proportional to 84,019.50 and 130,093.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.