Home / 345,261-529,920

Finding the Third Proportional to 345,261 and 529,920

Calculator

Solution

The third proportional to 345,261 and 529,920 is: 813,341.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,261 : 529,920 = 529,920 : x
  2. Step 2: Convert to fraction form
    345,261/529,920 = 529,920/x
  3. Step 3: Cross multiply
    345,261x = 529,920 × 529,920
  4. Step 4: Simplify right side
    345,261x = 280,815,206,400
  5. Step 5: Solve for x
    x = 280,815,206,400/345,261
  6. Step 6: Final answer
    x = 813,341.81

Related Problems

Find third proportional to 172,630.50 and 264,960
Half scale
Find third proportional to 690,522 and 1,059,840
Double scale
Find third proportional to 345,263 and 529,923
Similar ratio
Find third proportional to 517,891.50 and 794,880
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.