Home / 345,394-743,275

Finding the Third Proportional to 345,394 and 743,275

Calculator

Solution

The third proportional to 345,394 and 743,275 is: 1,599,500.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,394 : 743,275 = 743,275 : x
  2. Step 2: Convert to fraction form
    345,394/743,275 = 743,275/x
  3. Step 3: Cross multiply
    345,394x = 743,275 × 743,275
  4. Step 4: Simplify right side
    345,394x = 552,457,725,625
  5. Step 5: Solve for x
    x = 552,457,725,625/345,394
  6. Step 6: Final answer
    x = 1,599,500.07

Related Problems

Find third proportional to 172,697 and 371,637.50
Half scale
Find third proportional to 690,788 and 1,486,550
Double scale
Find third proportional to 345,396 and 743,279
Similar ratio
Find third proportional to 518,091 and 1,114,912.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.