Home / 345,393-743,273

Finding the Third Proportional to 345,393 and 743,273

Calculator

Solution

The third proportional to 345,393 and 743,273 is: 1,599,496.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,393 : 743,273 = 743,273 : x
  2. Step 2: Convert to fraction form
    345,393/743,273 = 743,273/x
  3. Step 3: Cross multiply
    345,393x = 743,273 × 743,273
  4. Step 4: Simplify right side
    345,393x = 552,454,752,529
  5. Step 5: Solve for x
    x = 552,454,752,529/345,393
  6. Step 6: Final answer
    x = 1,599,496.09

Related Problems

Find third proportional to 172,696.50 and 371,636.50
Half scale
Find third proportional to 690,786 and 1,486,546
Double scale
Find third proportional to 345,395 and 743,277
Similar ratio
Find third proportional to 518,089.50 and 1,114,909.50
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.