Home / 300,460-609,217

Finding the Third Proportional to 300,460 and 609,217

Calculator

Solution

The third proportional to 300,460 and 609,217 is: 1,235,257.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,460 : 609,217 = 609,217 : x
  2. Step 2: Convert to fraction form
    300,460/609,217 = 609,217/x
  3. Step 3: Cross multiply
    300,460x = 609,217 × 609,217
  4. Step 4: Simplify right side
    300,460x = 371,145,353,089
  5. Step 5: Solve for x
    x = 371,145,353,089/300,460
  6. Step 6: Final answer
    x = 1,235,257.12

Related Problems

Find third proportional to 150,230 and 304,608.50
Half scale
Find third proportional to 600,920 and 1,218,434
Double scale
Find third proportional to 300,462 and 609,221
Similar ratio
Find third proportional to 450,690 and 913,825.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.