Home / 348,376-490,592

Finding the Third Proportional to 348,376 and 490,592

Calculator

Solution

The third proportional to 348,376 and 490,592 is: 690,864.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,376 : 490,592 = 490,592 : x
  2. Step 2: Convert to fraction form
    348,376/490,592 = 490,592/x
  3. Step 3: Cross multiply
    348,376x = 490,592 × 490,592
  4. Step 4: Simplify right side
    348,376x = 240,680,510,464
  5. Step 5: Solve for x
    x = 240,680,510,464/348,376
  6. Step 6: Final answer
    x = 690,864.21

Related Problems

Find third proportional to 174,188 and 245,296
Half scale
Find third proportional to 696,752 and 981,184
Double scale
Find third proportional to 348,378 and 490,595
Similar ratio
Find third proportional to 522,564 and 735,888
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.