Home / 345,396-814,185

Finding the Third Proportional to 345,396 and 814,185

Calculator

Solution

The third proportional to 345,396 and 814,185 is: 1,919,238.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,396 : 814,185 = 814,185 : x
  2. Step 2: Convert to fraction form
    345,396/814,185 = 814,185/x
  3. Step 3: Cross multiply
    345,396x = 814,185 × 814,185
  4. Step 4: Simplify right side
    345,396x = 662,897,214,225
  5. Step 5: Solve for x
    x = 662,897,214,225/345,396
  6. Step 6: Final answer
    x = 1,919,238.25

Related Problems

Find third proportional to 172,698 and 407,092.50
Half scale
Find third proportional to 690,792 and 1,628,370
Double scale
Find third proportional to 345,398 and 814,190
Similar ratio
Find third proportional to 518,094 and 1,221,277.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.