Home / 87,378.75-187,218

Finding the Third Proportional to 87,378.75 and 187,218

Calculator

Solution

The third proportional to 87,378.75 and 187,218 is: 401,133.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,378.75 : 187,218 = 187,218 : x
  2. Step 2: Convert to fraction form
    87,378.75/187,218 = 187,218/x
  3. Step 3: Cross multiply
    87,378.75x = 187,218 × 187,218
  4. Step 4: Simplify right side
    87,378.75x = 35,050,579,524
  5. Step 5: Solve for x
    x = 35,050,579,524/87,378.75
  6. Step 6: Final answer
    x = 401,133.91

Related Problems

Find third proportional to 43,689.38 and 93,609
Half scale
Find third proportional to 174,757.50 and 374,436
Double scale
Find third proportional to 87,381 and 187,222
Similar ratio
Find third proportional to 131,068.13 and 280,827
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.