Home / 187,941-391,434

Finding the Third Proportional to 187,941 and 391,434

Calculator

Solution

The third proportional to 187,941 and 391,434 is: 815,258.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,941 : 391,434 = 391,434 : x
  2. Step 2: Convert to fraction form
    187,941/391,434 = 391,434/x
  3. Step 3: Cross multiply
    187,941x = 391,434 × 391,434
  4. Step 4: Simplify right side
    187,941x = 153,220,576,356
  5. Step 5: Solve for x
    x = 153,220,576,356/187,941
  6. Step 6: Final answer
    x = 815,258.92

Related Problems

Find third proportional to 93,970.50 and 195,717
Half scale
Find third proportional to 375,882 and 782,868
Double scale
Find third proportional to 187,943 and 391,438
Similar ratio
Find third proportional to 281,911.50 and 587,151
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.