Home / 87,972-136,158

Finding the Third Proportional to 87,972 and 136,158

Calculator

Solution

The third proportional to 87,972 and 136,158 is: 210,737.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,972 : 136,158 = 136,158 : x
  2. Step 2: Convert to fraction form
    87,972/136,158 = 136,158/x
  3. Step 3: Cross multiply
    87,972x = 136,158 × 136,158
  4. Step 4: Simplify right side
    87,972x = 18,539,000,964
  5. Step 5: Solve for x
    x = 18,539,000,964/87,972
  6. Step 6: Final answer
    x = 210,737.52

Related Problems

Find third proportional to 43,986 and 68,079
Half scale
Find third proportional to 175,944 and 272,316
Double scale
Find third proportional to 87,974 and 136,161
Similar ratio
Find third proportional to 131,958 and 204,237
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.