Home / 309,587-632,297

Finding the Third Proportional to 309,587 and 632,297

Calculator

Solution

The third proportional to 309,587 and 632,297 is: 1,291,396.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,587 : 632,297 = 632,297 : x
  2. Step 2: Convert to fraction form
    309,587/632,297 = 632,297/x
  3. Step 3: Cross multiply
    309,587x = 632,297 × 632,297
  4. Step 4: Simplify right side
    309,587x = 399,799,496,209
  5. Step 5: Solve for x
    x = 399,799,496,209/309,587
  6. Step 6: Final answer
    x = 1,291,396.27

Related Problems

Find third proportional to 154,793.50 and 316,148.50
Half scale
Find third proportional to 619,174 and 1,264,594
Double scale
Find third proportional to 309,589 and 632,301
Similar ratio
Find third proportional to 464,380.50 and 948,445.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.