Home / 391,116-824,265

Finding the Third Proportional to 391,116 and 824,265

Calculator

Solution

The third proportional to 391,116 and 824,265 is: 1,737,113.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,116 : 824,265 = 824,265 : x
  2. Step 2: Convert to fraction form
    391,116/824,265 = 824,265/x
  3. Step 3: Cross multiply
    391,116x = 824,265 × 824,265
  4. Step 4: Simplify right side
    391,116x = 679,412,790,225
  5. Step 5: Solve for x
    x = 679,412,790,225/391,116
  6. Step 6: Final answer
    x = 1,737,113.26

Related Problems

Find third proportional to 195,558 and 412,132.50
Half scale
Find third proportional to 782,232 and 1,648,530
Double scale
Find third proportional to 391,118 and 824,269
Similar ratio
Find third proportional to 586,674 and 1,236,397.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.