Home / 432,504-688,728

Finding the Third Proportional to 432,504 and 688,728

Calculator

Solution

The third proportional to 432,504 and 688,728 is: 1,096,744.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,504 : 688,728 = 688,728 : x
  2. Step 2: Convert to fraction form
    432,504/688,728 = 688,728/x
  3. Step 3: Cross multiply
    432,504x = 688,728 × 688,728
  4. Step 4: Simplify right side
    432,504x = 474,346,257,984
  5. Step 5: Solve for x
    x = 474,346,257,984/432,504
  6. Step 6: Final answer
    x = 1,096,744.21

Related Problems

Find third proportional to 216,252 and 344,364
Half scale
Find third proportional to 865,008 and 1,377,456
Double scale
Find third proportional to 432,506 and 688,731
Similar ratio
Find third proportional to 648,756 and 1,033,092
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.