Home / 345,398-743,283

Finding the Third Proportional to 345,398 and 743,283

Calculator

Solution

The third proportional to 345,398 and 743,283 is: 1,599,515.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,398 : 743,283 = 743,283 : x
  2. Step 2: Convert to fraction form
    345,398/743,283 = 743,283/x
  3. Step 3: Cross multiply
    345,398x = 743,283 × 743,283
  4. Step 4: Simplify right side
    345,398x = 552,469,618,089
  5. Step 5: Solve for x
    x = 552,469,618,089/345,398
  6. Step 6: Final answer
    x = 1,599,515.97

Related Problems

Find third proportional to 172,699 and 371,641.50
Half scale
Find third proportional to 690,796 and 1,486,566
Double scale
Find third proportional to 345,400 and 743,287
Similar ratio
Find third proportional to 518,097 and 1,114,924.50
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.