Home / 100,557-198,576

Finding the Third Proportional to 100,557 and 198,576

Calculator

Solution

The third proportional to 100,557 and 198,576 is: 392,140.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,557 : 198,576 = 198,576 : x
  2. Step 2: Convert to fraction form
    100,557/198,576 = 198,576/x
  3. Step 3: Cross multiply
    100,557x = 198,576 × 198,576
  4. Step 4: Simplify right side
    100,557x = 39,432,427,776
  5. Step 5: Solve for x
    x = 39,432,427,776/100,557
  6. Step 6: Final answer
    x = 392,140.06

Related Problems

Find third proportional to 50,278.50 and 99,288
Half scale
Find third proportional to 201,114 and 397,152
Double scale
Find third proportional to 100,559 and 198,580
Similar ratio
Find third proportional to 150,835.50 and 297,864
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.