Home / 332,542-688,731

Finding the Third Proportional to 332,542 and 688,731

Calculator

Solution

The third proportional to 332,542 and 688,731 is: 1,426,437.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,542 : 688,731 = 688,731 : x
  2. Step 2: Convert to fraction form
    332,542/688,731 = 688,731/x
  3. Step 3: Cross multiply
    332,542x = 688,731 × 688,731
  4. Step 4: Simplify right side
    332,542x = 474,350,390,361
  5. Step 5: Solve for x
    x = 474,350,390,361/332,542
  6. Step 6: Final answer
    x = 1,426,437.53

Related Problems

Find third proportional to 166,271 and 344,365.50
Half scale
Find third proportional to 665,084 and 1,377,462
Double scale
Find third proportional to 332,544 and 688,735
Similar ratio
Find third proportional to 498,813 and 1,033,096.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.